FREE RESOURCES TO LEARN MACHINE LEARNING
๐๐
Intro to ML by MIT Free Course
https://openlearninglibrary.mit.edu/courses/course-v1:MITx+6.036+1T2019/about
Machine Learning for Everyone FREE BOOK
https://buildmedia.readthedocs.org/media/pdf/pymbook/latest/pymbook.pdf
ML Crash Course by Google
https://developers.google.com/machine-learning/crash-course
Advanced Machine Learning with Python Github
https://github.com/PacktPublishing/Advanced-Machine-Learning-with-Python
Practical Machine Learning Tools and Techniques Free Book
https://vk.com/doc10903696_437487078?hash=674d2f82c486ac525b&dl=ed6dd98cd9d60a642b
Python Machine Learning for beginners
https://t.iss.one/datasciencefun/1177?single
ENJOY LEARNING ๐๐
๐๐
Intro to ML by MIT Free Course
https://openlearninglibrary.mit.edu/courses/course-v1:MITx+6.036+1T2019/about
Machine Learning for Everyone FREE BOOK
https://buildmedia.readthedocs.org/media/pdf/pymbook/latest/pymbook.pdf
ML Crash Course by Google
https://developers.google.com/machine-learning/crash-course
Advanced Machine Learning with Python Github
https://github.com/PacktPublishing/Advanced-Machine-Learning-with-Python
Practical Machine Learning Tools and Techniques Free Book
https://vk.com/doc10903696_437487078?hash=674d2f82c486ac525b&dl=ed6dd98cd9d60a642b
Python Machine Learning for beginners
https://t.iss.one/datasciencefun/1177?single
ENJOY LEARNING ๐๐
โค2๐1๐1
Complete roadmap to learn Python and Data Structures & Algorithms (DSA) in 2 months
### Week 1: Introduction to Python
Day 1-2: Basics of Python
- Python setup (installation and IDE setup)
- Basic syntax, variables, and data types
- Operators and expressions
Day 3-4: Control Structures
- Conditional statements (if, elif, else)
- Loops (for, while)
Day 5-6: Functions and Modules
- Function definitions, parameters, and return values
- Built-in functions and importing modules
Day 7: Practice Day
- Solve basic problems on platforms like HackerRank or LeetCode
### Week 2: Advanced Python Concepts
Day 8-9: Data Structures in Python
- Lists, tuples, sets, and dictionaries
- List comprehensions and generator expressions
Day 10-11: Strings and File I/O
- String manipulation and methods
- Reading from and writing to files
Day 12-13: Object-Oriented Programming (OOP)
- Classes and objects
- Inheritance, polymorphism, encapsulation
Day 14: Practice Day
- Solve intermediate problems on coding platforms
### Week 3: Introduction to Data Structures
Day 15-16: Arrays and Linked Lists
- Understanding arrays and their operations
- Singly and doubly linked lists
Day 17-18: Stacks and Queues
- Implementation and applications of stacks
- Implementation and applications of queues
Day 19-20: Recursion
- Basics of recursion and solving problems using recursion
- Recursive vs iterative solutions
Day 21: Practice Day
- Solve problems related to arrays, linked lists, stacks, and queues
### Week 4: Fundamental Algorithms
Day 22-23: Sorting Algorithms
- Bubble sort, selection sort, insertion sort
- Merge sort and quicksort
Day 24-25: Searching Algorithms
- Linear search and binary search
- Applications and complexity analysis
Day 26-27: Hashing
- Hash tables and hash functions
- Collision resolution techniques
Day 28: Practice Day
- Solve problems on sorting, searching, and hashing
### Week 5: Advanced Data Structures
Day 29-30: Trees
- Binary trees, binary search trees (BST)
- Tree traversals (in-order, pre-order, post-order)
Day 31-32: Heaps and Priority Queues
- Understanding heaps (min-heap, max-heap)
- Implementing priority queues using heaps
Day 33-34: Graphs
- Representation of graphs (adjacency matrix, adjacency list)
- Depth-first search (DFS) and breadth-first search (BFS)
Day 35: Practice Day
- Solve problems on trees, heaps, and graphs
### Week 6: Advanced Algorithms
Day 36-37: Dynamic Programming
- Introduction to dynamic programming
- Solving common DP problems (e.g., Fibonacci, knapsack)
Day 38-39: Greedy Algorithms
- Understanding greedy strategy
- Solving problems using greedy algorithms
Day 40-41: Graph Algorithms
- Dijkstraโs algorithm for shortest path
- Kruskalโs and Primโs algorithms for minimum spanning tree
Day 42: Practice Day
- Solve problems on dynamic programming, greedy algorithms, and advanced graph algorithms
### Week 7: Problem Solving and Optimization
Day 43-44: Problem-Solving Techniques
- Backtracking, bit manipulation, and combinatorial problems
Day 45-46: Practice Competitive Programming
- Participate in contests on platforms like Codeforces or CodeChef
Day 47-48: Mock Interviews and Coding Challenges
- Simulate technical interviews
- Focus on time management and optimization
Day 49: Review and Revise
- Go through notes and previously solved problems
- Identify weak areas and work on them
### Week 8: Final Stretch and Project
Day 50-52: Build a Project
- Use your knowledge to build a substantial project in Python involving DSA concepts
Day 53-54: Code Review and Testing
- Refactor your project code
- Write tests for your project
Day 55-56: Final Practice
- Solve problems from previous contests or new challenging problems
Day 57-58: Documentation and Presentation
- Document your project and prepare a presentation or a detailed report
Day 59-60: Reflection and Future Plan
- Reflect on what you've learned
- Plan your next steps (advanced topics, more projects, etc.)
Best DSA RESOURCES: https://topmate.io/coding/886874
Credits: https://t.iss.one/free4unow_backup
ENJOY LEARNING ๐๐
### Week 1: Introduction to Python
Day 1-2: Basics of Python
- Python setup (installation and IDE setup)
- Basic syntax, variables, and data types
- Operators and expressions
Day 3-4: Control Structures
- Conditional statements (if, elif, else)
- Loops (for, while)
Day 5-6: Functions and Modules
- Function definitions, parameters, and return values
- Built-in functions and importing modules
Day 7: Practice Day
- Solve basic problems on platforms like HackerRank or LeetCode
### Week 2: Advanced Python Concepts
Day 8-9: Data Structures in Python
- Lists, tuples, sets, and dictionaries
- List comprehensions and generator expressions
Day 10-11: Strings and File I/O
- String manipulation and methods
- Reading from and writing to files
Day 12-13: Object-Oriented Programming (OOP)
- Classes and objects
- Inheritance, polymorphism, encapsulation
Day 14: Practice Day
- Solve intermediate problems on coding platforms
### Week 3: Introduction to Data Structures
Day 15-16: Arrays and Linked Lists
- Understanding arrays and their operations
- Singly and doubly linked lists
Day 17-18: Stacks and Queues
- Implementation and applications of stacks
- Implementation and applications of queues
Day 19-20: Recursion
- Basics of recursion and solving problems using recursion
- Recursive vs iterative solutions
Day 21: Practice Day
- Solve problems related to arrays, linked lists, stacks, and queues
### Week 4: Fundamental Algorithms
Day 22-23: Sorting Algorithms
- Bubble sort, selection sort, insertion sort
- Merge sort and quicksort
Day 24-25: Searching Algorithms
- Linear search and binary search
- Applications and complexity analysis
Day 26-27: Hashing
- Hash tables and hash functions
- Collision resolution techniques
Day 28: Practice Day
- Solve problems on sorting, searching, and hashing
### Week 5: Advanced Data Structures
Day 29-30: Trees
- Binary trees, binary search trees (BST)
- Tree traversals (in-order, pre-order, post-order)
Day 31-32: Heaps and Priority Queues
- Understanding heaps (min-heap, max-heap)
- Implementing priority queues using heaps
Day 33-34: Graphs
- Representation of graphs (adjacency matrix, adjacency list)
- Depth-first search (DFS) and breadth-first search (BFS)
Day 35: Practice Day
- Solve problems on trees, heaps, and graphs
### Week 6: Advanced Algorithms
Day 36-37: Dynamic Programming
- Introduction to dynamic programming
- Solving common DP problems (e.g., Fibonacci, knapsack)
Day 38-39: Greedy Algorithms
- Understanding greedy strategy
- Solving problems using greedy algorithms
Day 40-41: Graph Algorithms
- Dijkstraโs algorithm for shortest path
- Kruskalโs and Primโs algorithms for minimum spanning tree
Day 42: Practice Day
- Solve problems on dynamic programming, greedy algorithms, and advanced graph algorithms
### Week 7: Problem Solving and Optimization
Day 43-44: Problem-Solving Techniques
- Backtracking, bit manipulation, and combinatorial problems
Day 45-46: Practice Competitive Programming
- Participate in contests on platforms like Codeforces or CodeChef
Day 47-48: Mock Interviews and Coding Challenges
- Simulate technical interviews
- Focus on time management and optimization
Day 49: Review and Revise
- Go through notes and previously solved problems
- Identify weak areas and work on them
### Week 8: Final Stretch and Project
Day 50-52: Build a Project
- Use your knowledge to build a substantial project in Python involving DSA concepts
Day 53-54: Code Review and Testing
- Refactor your project code
- Write tests for your project
Day 55-56: Final Practice
- Solve problems from previous contests or new challenging problems
Day 57-58: Documentation and Presentation
- Document your project and prepare a presentation or a detailed report
Day 59-60: Reflection and Future Plan
- Reflect on what you've learned
- Plan your next steps (advanced topics, more projects, etc.)
Best DSA RESOURCES: https://topmate.io/coding/886874
Credits: https://t.iss.one/free4unow_backup
ENJOY LEARNING ๐๐
โค2
๐ SQL JOINS (INNER, LEFT, RIGHT, FULL, SELF)
JOINS help you combine data from two or more tables based on a related column (usually a primary key and a foreign key).
1. INNER JOIN
Returns only matching rows between two tables.
SELECT customers.name, orders.order_id
FROM customers
INNER JOIN orders ON customers.id = orders.customer_id;
This returns only those customers who have placed at least one order.
2. LEFT JOIN (or LEFT OUTER JOIN)
Returns all rows from the left table, and matched rows from the right table. If no match, you'll see NULLs.
SELECT customers.name, orders.order_id
FROM customers
LEFT JOIN orders ON customers.id = orders.customer_id;
This shows all customers, including those who havenโt placed any orders.
3. RIGHT JOIN (or RIGHT OUTER JOIN)
Returns all rows from the right table, and matching rows from the left.
SELECT customers.name, orders.order_id
FROM customers
RIGHT JOIN orders ON customers.id = orders.customer_id;
Youโll see all orders โ even if thereโs no corresponding customer info.
4. FULL JOIN (or FULL OUTER JOIN)
Returns all rows from both tables. If there's no match, it returns NULLs.
Note: MySQL doesn't support FULL JOIN directly; use UNION of LEFT and RIGHT joins instead.
5. SELF JOIN
You join a table with itself. Great for hierarchical relationships.
SELECT e.name AS employee, m.name AS manager
FROM employees e
JOIN employees m ON e.manager_id = m.id;
This shows each employee along with their manager's name.
Pro Tip: Be careful with NULLs and always define clear join conditions to avoid cartesian products.
Share with credits: https://t.iss.one/sqlspecialist
Hope it helps :)
JOINS help you combine data from two or more tables based on a related column (usually a primary key and a foreign key).
1. INNER JOIN
Returns only matching rows between two tables.
SELECT customers.name, orders.order_id
FROM customers
INNER JOIN orders ON customers.id = orders.customer_id;
This returns only those customers who have placed at least one order.
2. LEFT JOIN (or LEFT OUTER JOIN)
Returns all rows from the left table, and matched rows from the right table. If no match, you'll see NULLs.
SELECT customers.name, orders.order_id
FROM customers
LEFT JOIN orders ON customers.id = orders.customer_id;
This shows all customers, including those who havenโt placed any orders.
3. RIGHT JOIN (or RIGHT OUTER JOIN)
Returns all rows from the right table, and matching rows from the left.
SELECT customers.name, orders.order_id
FROM customers
RIGHT JOIN orders ON customers.id = orders.customer_id;
Youโll see all orders โ even if thereโs no corresponding customer info.
4. FULL JOIN (or FULL OUTER JOIN)
Returns all rows from both tables. If there's no match, it returns NULLs.
Note: MySQL doesn't support FULL JOIN directly; use UNION of LEFT and RIGHT joins instead.
5. SELF JOIN
You join a table with itself. Great for hierarchical relationships.
SELECT e.name AS employee, m.name AS manager
FROM employees e
JOIN employees m ON e.manager_id = m.id;
This shows each employee along with their manager's name.
Pro Tip: Be careful with NULLs and always define clear join conditions to avoid cartesian products.
Share with credits: https://t.iss.one/sqlspecialist
Hope it helps :)
โค2
๐ Data Science Essentials: What Every Data Enthusiast Should Know!
1๏ธโฃ Understand Your Data
Always start with data exploration. Check for missing values, outliers, and overall distribution to avoid misleading insights.
2๏ธโฃ Data Cleaning Matters
Noisy data leads to inaccurate predictions. Standardize formats, remove duplicates, and handle missing data effectively.
3๏ธโฃ Use Descriptive & Inferential Statistics
Mean, median, mode, variance, standard deviation, correlation, hypothesis testingโthese form the backbone of data interpretation.
4๏ธโฃ Master Data Visualization
Bar charts, histograms, scatter plots, and heatmaps make insights more accessible and actionable.
5๏ธโฃ Learn SQL for Efficient Data Extraction
Write optimized queries (
6๏ธโฃ Build Strong Programming Skills
Python (Pandas, NumPy, Scikit-learn) and R are essential for data manipulation and analysis.
7๏ธโฃ Understand Machine Learning Basics
Know key algorithmsโlinear regression, decision trees, random forests, and clusteringโto develop predictive models.
8๏ธโฃ Learn Dashboarding & Storytelling
Power BI and Tableau help convert raw data into actionable insights for stakeholders.
๐ฅ Pro Tip: Always cross-check your results with different techniques to ensure accuracy!
Data Science Learning Series: https://whatsapp.com/channel/0029Va8v3eo1NCrQfGMseL2D
DOUBLE TAP โค๏ธ IF YOU FOUND THIS HELPFUL!
1๏ธโฃ Understand Your Data
Always start with data exploration. Check for missing values, outliers, and overall distribution to avoid misleading insights.
2๏ธโฃ Data Cleaning Matters
Noisy data leads to inaccurate predictions. Standardize formats, remove duplicates, and handle missing data effectively.
3๏ธโฃ Use Descriptive & Inferential Statistics
Mean, median, mode, variance, standard deviation, correlation, hypothesis testingโthese form the backbone of data interpretation.
4๏ธโฃ Master Data Visualization
Bar charts, histograms, scatter plots, and heatmaps make insights more accessible and actionable.
5๏ธโฃ Learn SQL for Efficient Data Extraction
Write optimized queries (
SELECT, JOIN, GROUP BY, WHERE) to retrieve relevant data from databases.6๏ธโฃ Build Strong Programming Skills
Python (Pandas, NumPy, Scikit-learn) and R are essential for data manipulation and analysis.
7๏ธโฃ Understand Machine Learning Basics
Know key algorithmsโlinear regression, decision trees, random forests, and clusteringโto develop predictive models.
8๏ธโฃ Learn Dashboarding & Storytelling
Power BI and Tableau help convert raw data into actionable insights for stakeholders.
๐ฅ Pro Tip: Always cross-check your results with different techniques to ensure accuracy!
Data Science Learning Series: https://whatsapp.com/channel/0029Va8v3eo1NCrQfGMseL2D
DOUBLE TAP โค๏ธ IF YOU FOUND THIS HELPFUL!
โค3
๐ Required Skills for a data scientist
๐ฏStatistics and Probability
๐ฏMathematics
๐ฏPython, R, SAS and Scala or other.
๐ฏData visualisation
๐ฏBig data
๐ฏData inquisitiveness
๐ฏBusiness expertise
๐ฏCritical thinking
๐ฏMachine learning, deep learning and AI
๐ฏCommunication skills
๐ฏTeamwork
๐ฏStatistics and Probability
๐ฏMathematics
๐ฏPython, R, SAS and Scala or other.
๐ฏData visualisation
๐ฏBig data
๐ฏData inquisitiveness
๐ฏBusiness expertise
๐ฏCritical thinking
๐ฏMachine learning, deep learning and AI
๐ฏCommunication skills
๐ฏTeamwork
๐ฅฐ2โค1
If you're serious about getting into Data Science with Python, follow this 5-step roadmap.
Each phase builds on the previous one, so donโt rush.
Take your time, build projects, and keep moving forward.
Step 1: Python Fundamentals
Before anything else, get your hands dirty with core Python.
This is the language that powers everything else.
โ What to learn:
type(), int(), float(), str(), list(), dict()
if, elif, else, for, while, range()
def, return, function arguments
List comprehensions: [x for x in list if condition]
โ Mini Checkpoint:
Build a mini console-based data calculator (inputs, basic operations, conditionals, loops).
Step 2: Data Cleaning with Pandas
Pandas is the tool you'll use to clean, reshape, and explore data in real-world scenarios.
โ What to learn:
Cleaning: df.dropna(), df.fillna(), df.replace(), df.drop_duplicates()
Merging & reshaping: pd.merge(), df.pivot(), df.melt()
Grouping & aggregation: df.groupby(), df.agg()
โ Mini Checkpoint:
Build a data cleaning script for a messy CSV file. Add comments to explain every step.
Step 3: Data Visualization with Matplotlib
Nobody wants raw tables.
Learn to tell stories through charts.
โ What to learn:
Basic charts: plt.plot(), plt.scatter()
Advanced plots: plt.hist(), plt.kde(), plt.boxplot()
Subplots & customizations: plt.subplots(), fig.add_subplot(), plt.title(), plt.legend(), plt.xlabel()
โ Mini Checkpoint:
Create a dashboard-style notebook visualizing a dataset, include at least 4 types of plots.
Step 4: Exploratory Data Analysis (EDA)
This is where your analytical skills kick in.
Youโll draw insights, detect trends, and prepare for modeling.
โ What to learn:
Descriptive stats: df.mean(), df.median(), df.mode(), df.std(), df.var(), df.min(), df.max(), df.quantile()
Correlation analysis: df.corr(), plt.imshow(), scipy.stats.pearsonr()
โ Mini Checkpoint:
Write an EDA report (Markdown or PDF) based on your findings from a public dataset.
Step 5: Intro to Machine Learning with Scikit-Learn
Now that your data skills are sharp, it's time to model and predict.
โ What to learn:
Training & evaluation: train_test_split(), .fit(), .predict(), cross_val_score()
Regression: LinearRegression(), mean_squared_error(), r2_score()
Classification: LogisticRegression(), accuracy_score(), confusion_matrix()
Clustering: KMeans(), silhouette_score()
โ Final Checkpoint:
Build your first ML project end-to-end
โ Load data
โ Clean it
โ Visualize it
โ Run EDA
โ Train & test a model
โ Share the project with visuals and explanations on GitHub
Donโt just complete tutorialsm create things.
Explain your work.
Build your GitHub.
Write a blog.
Thatโs how you go from โlearningโ to โlanding a job
Best Data Science & Machine Learning Resources: https://topmate.io/coding/914624
All the best ๐๐
Each phase builds on the previous one, so donโt rush.
Take your time, build projects, and keep moving forward.
Step 1: Python Fundamentals
Before anything else, get your hands dirty with core Python.
This is the language that powers everything else.
โ What to learn:
type(), int(), float(), str(), list(), dict()
if, elif, else, for, while, range()
def, return, function arguments
List comprehensions: [x for x in list if condition]
โ Mini Checkpoint:
Build a mini console-based data calculator (inputs, basic operations, conditionals, loops).
Step 2: Data Cleaning with Pandas
Pandas is the tool you'll use to clean, reshape, and explore data in real-world scenarios.
โ What to learn:
Cleaning: df.dropna(), df.fillna(), df.replace(), df.drop_duplicates()
Merging & reshaping: pd.merge(), df.pivot(), df.melt()
Grouping & aggregation: df.groupby(), df.agg()
โ Mini Checkpoint:
Build a data cleaning script for a messy CSV file. Add comments to explain every step.
Step 3: Data Visualization with Matplotlib
Nobody wants raw tables.
Learn to tell stories through charts.
โ What to learn:
Basic charts: plt.plot(), plt.scatter()
Advanced plots: plt.hist(), plt.kde(), plt.boxplot()
Subplots & customizations: plt.subplots(), fig.add_subplot(), plt.title(), plt.legend(), plt.xlabel()
โ Mini Checkpoint:
Create a dashboard-style notebook visualizing a dataset, include at least 4 types of plots.
Step 4: Exploratory Data Analysis (EDA)
This is where your analytical skills kick in.
Youโll draw insights, detect trends, and prepare for modeling.
โ What to learn:
Descriptive stats: df.mean(), df.median(), df.mode(), df.std(), df.var(), df.min(), df.max(), df.quantile()
Correlation analysis: df.corr(), plt.imshow(), scipy.stats.pearsonr()
โ Mini Checkpoint:
Write an EDA report (Markdown or PDF) based on your findings from a public dataset.
Step 5: Intro to Machine Learning with Scikit-Learn
Now that your data skills are sharp, it's time to model and predict.
โ What to learn:
Training & evaluation: train_test_split(), .fit(), .predict(), cross_val_score()
Regression: LinearRegression(), mean_squared_error(), r2_score()
Classification: LogisticRegression(), accuracy_score(), confusion_matrix()
Clustering: KMeans(), silhouette_score()
โ Final Checkpoint:
Build your first ML project end-to-end
โ Load data
โ Clean it
โ Visualize it
โ Run EDA
โ Train & test a model
โ Share the project with visuals and explanations on GitHub
Donโt just complete tutorialsm create things.
Explain your work.
Build your GitHub.
Write a blog.
Thatโs how you go from โlearningโ to โlanding a job
Best Data Science & Machine Learning Resources: https://topmate.io/coding/914624
All the best ๐๐
โค5
Statistics Roadmap for Data Science!
Phase 1: Fundamentals of Statistics
1๏ธโฃ Basic Concepts
-Introduction to Statistics
-Types of Data
-Descriptive Statistics
2๏ธโฃ Probability
-Basic Probability
-Conditional Probability
-Probability Distributions
Phase 2: Intermediate Statistics
3๏ธโฃ Inferential Statistics
-Sampling and Sampling Distributions
-Hypothesis Testing
-Confidence Intervals
4๏ธโฃ Regression Analysis
-Linear Regression
-Diagnostics and Validation
Phase 3: Advanced Topics
5๏ธโฃ Advanced Probability and Statistics
-Advanced Probability Distributions
-Bayesian Statistics
6๏ธโฃ Multivariate Statistics
-Principal Component Analysis (PCA)
-Clustering
Phase 4: Statistical Learning and Machine Learning
7๏ธโฃ Statistical Learning
-Introduction to Statistical Learning
-Supervised Learning
-Unsupervised Learning
Phase 5: Practical Application
8๏ธโฃ Tools and Software
-Statistical Software (R, Python)
-Data Visualization (Matplotlib, Seaborn, ggplot2)
9๏ธโฃ Projects and Case Studies
-Capstone Project
-Case Studies
Data Science & Machine Learning Resources: https://whatsapp.com/channel/0029Va8v3eo1NCrQfGMseL2D
ENJOY LEARNING ๐๐
Phase 1: Fundamentals of Statistics
1๏ธโฃ Basic Concepts
-Introduction to Statistics
-Types of Data
-Descriptive Statistics
2๏ธโฃ Probability
-Basic Probability
-Conditional Probability
-Probability Distributions
Phase 2: Intermediate Statistics
3๏ธโฃ Inferential Statistics
-Sampling and Sampling Distributions
-Hypothesis Testing
-Confidence Intervals
4๏ธโฃ Regression Analysis
-Linear Regression
-Diagnostics and Validation
Phase 3: Advanced Topics
5๏ธโฃ Advanced Probability and Statistics
-Advanced Probability Distributions
-Bayesian Statistics
6๏ธโฃ Multivariate Statistics
-Principal Component Analysis (PCA)
-Clustering
Phase 4: Statistical Learning and Machine Learning
7๏ธโฃ Statistical Learning
-Introduction to Statistical Learning
-Supervised Learning
-Unsupervised Learning
Phase 5: Practical Application
8๏ธโฃ Tools and Software
-Statistical Software (R, Python)
-Data Visualization (Matplotlib, Seaborn, ggplot2)
9๏ธโฃ Projects and Case Studies
-Capstone Project
-Case Studies
Data Science & Machine Learning Resources: https://whatsapp.com/channel/0029Va8v3eo1NCrQfGMseL2D
ENJOY LEARNING ๐๐
โค2
๐ฐ Data Science Roadmap for Beginners 2025
โโโ ๐ What is Data Science?
โโโ ๐ง Data Science vs Data Analytics vs Machine Learning
โโโ ๐ Tools of the Trade (Python, R, Excel, SQL)
โโโ ๐ Python for Data Science (NumPy, Pandas, Matplotlib)
โโโ ๐ข Statistics & Probability Basics
โโโ ๐ Data Visualization (Matplotlib, Seaborn, Plotly)
โโโ ๐งผ Data Cleaning & Preprocessing
โโโ ๐งฎ Exploratory Data Analysis (EDA)
โโโ ๐ง Introduction to Machine Learning
โโโ ๐ฆ Supervised vs Unsupervised Learning
โโโ ๐ค Popular ML Algorithms (Linear Reg, KNN, Decision Trees)
โโโ ๐งช Model Evaluation (Accuracy, Precision, Recall, F1 Score)
โโโ ๐งฐ Model Tuning (Cross Validation, Grid Search)
โโโ โ๏ธ Feature Engineering
โโโ ๐ Real-world Projects (Kaggle, UCI Datasets)
โโโ ๐ Basic Deployment (Streamlit, Flask, Heroku)
โโโ ๐ Continuous Learning: Blogs, Research Papers, Competitions
Free Resources: https://t.iss.one/datalemur
Like for more โค๏ธ
โโโ ๐ What is Data Science?
โโโ ๐ง Data Science vs Data Analytics vs Machine Learning
โโโ ๐ Tools of the Trade (Python, R, Excel, SQL)
โโโ ๐ Python for Data Science (NumPy, Pandas, Matplotlib)
โโโ ๐ข Statistics & Probability Basics
โโโ ๐ Data Visualization (Matplotlib, Seaborn, Plotly)
โโโ ๐งผ Data Cleaning & Preprocessing
โโโ ๐งฎ Exploratory Data Analysis (EDA)
โโโ ๐ง Introduction to Machine Learning
โโโ ๐ฆ Supervised vs Unsupervised Learning
โโโ ๐ค Popular ML Algorithms (Linear Reg, KNN, Decision Trees)
โโโ ๐งช Model Evaluation (Accuracy, Precision, Recall, F1 Score)
โโโ ๐งฐ Model Tuning (Cross Validation, Grid Search)
โโโ โ๏ธ Feature Engineering
โโโ ๐ Real-world Projects (Kaggle, UCI Datasets)
โโโ ๐ Basic Deployment (Streamlit, Flask, Heroku)
โโโ ๐ Continuous Learning: Blogs, Research Papers, Competitions
Free Resources: https://t.iss.one/datalemur
Like for more โค๏ธ
โค5
Soft skills questions will be part of your next data job interview!
Here is what you should prepare for:
1. ๐๐ผ๐บ๐บ๐๐ป๐ถ๐ฐ๐ฎ๐๐ถ๐ผ๐ป: Be ready to discuss how you explain complex data insights to non-technical stakeholders.
๐๐น๐ข๐ฎ๐ฑ๐ญ๐ฆ ๐ฒ๐ถ๐ฆ๐ด๐ต๐ช๐ฐ๐ฏ:
โHow do you ensure that your data insights are understood and get used by non-technical stakeholders?โ
2. ๐ง๐ฒ๐ฎ๐บ ๐๐ผ๐น๐น๐ฎ๐ฏ๐ผ๐ฟ๐ฎ๐๐ถ๐ผ๐ป: Show your ability to work well with others.
๐๐น๐ข๐ฎ๐ฑ๐ญ๐ฆ ๐ฒ๐ถ๐ฆ๐ด๐ต๐ช๐ฐ๐ฏ:
โCan you talk about a time when you had to manage a conflict within a team? How did you resolve it?โ
3. ๐ฃ๐ฟ๐ผ๐ฏ๐น๐ฒ๐บ-๐ฆ๐ผ๐น๐๐ถ๐ป๐ด: Highlight your critical thinking and problem-solving skills.
๐๐น๐ข๐ฎ๐ฑ๐ญ๐ฆ ๐ฒ๐ถ๐ฆ๐ด๐ต๐ช๐ฐ๐ฏ:
โDescribe a situation where you had to make a quick decision based on incomplete data. What was the outcome?โ
4. ๐๐ฑ๐ฎ๐ฝ๐๐ฎ๐ฏ๐ถ๐น๐ถ๐๐: Demonstrate your flexibility and openness to change.
๐๐น๐ข๐ฎ๐ฑ๐ญ๐ฆ ๐ฒ๐ถ๐ฆ๐ด๐ต๐ช๐ฐ๐ฏ:
โHow do you handle sudden changes in project priorities or scope?โ
5. ๐ง๐ถ๐บ๐ฒ ๐ ๐ฎ๐ป๐ฎ๐ด๐ฒ๐บ๐ฒ๐ป๐: Prove your ability to manage multiple tasks and deadlines.
๐๐น๐ข๐ฎ๐ฑ๐ญ๐ฆ ๐ฒ๐ถ๐ฆ๐ด๐ต๐ช๐ฐ๐ฏ:
โTell me about a time when you were under tight deadlines. How did you manage to meet them?โ
6. ๐๐บ๐ฝ๐ฎ๐๐ต๐ ๐ฎ๐ป๐ฑ ๐จ๐ป๐ฑ๐ฒ๐ฟ๐๐๐ฎ๐ป๐ฑ๐ถ๐ป๐ด: Show your ability to understand stakeholder needs.
๐๐น๐ข๐ฎ๐ฑ๐ญ๐ฆ ๐ฒ๐ถ๐ฆ๐ด๐ต๐ช๐ฐ๐ฏ:
โHow do you approach understanding the needs of different stakeholders when starting a new project?โ
Structure your answers using the STAR method (Situation, Task, Action, Result). This helps you provide clear and concise responses that highlight your skills.
By preparing for these soft skills questions, youโll demonstrate that youโre not just technically fit, but also a well-rounded professional ready to make an impact on the business.
You can find useful tips to improve your soft skills here: ๐ https://t.iss.one/englishlearnerspro/
Here is what you should prepare for:
1. ๐๐ผ๐บ๐บ๐๐ป๐ถ๐ฐ๐ฎ๐๐ถ๐ผ๐ป: Be ready to discuss how you explain complex data insights to non-technical stakeholders.
๐๐น๐ข๐ฎ๐ฑ๐ญ๐ฆ ๐ฒ๐ถ๐ฆ๐ด๐ต๐ช๐ฐ๐ฏ:
โHow do you ensure that your data insights are understood and get used by non-technical stakeholders?โ
2. ๐ง๐ฒ๐ฎ๐บ ๐๐ผ๐น๐น๐ฎ๐ฏ๐ผ๐ฟ๐ฎ๐๐ถ๐ผ๐ป: Show your ability to work well with others.
๐๐น๐ข๐ฎ๐ฑ๐ญ๐ฆ ๐ฒ๐ถ๐ฆ๐ด๐ต๐ช๐ฐ๐ฏ:
โCan you talk about a time when you had to manage a conflict within a team? How did you resolve it?โ
3. ๐ฃ๐ฟ๐ผ๐ฏ๐น๐ฒ๐บ-๐ฆ๐ผ๐น๐๐ถ๐ป๐ด: Highlight your critical thinking and problem-solving skills.
๐๐น๐ข๐ฎ๐ฑ๐ญ๐ฆ ๐ฒ๐ถ๐ฆ๐ด๐ต๐ช๐ฐ๐ฏ:
โDescribe a situation where you had to make a quick decision based on incomplete data. What was the outcome?โ
4. ๐๐ฑ๐ฎ๐ฝ๐๐ฎ๐ฏ๐ถ๐น๐ถ๐๐: Demonstrate your flexibility and openness to change.
๐๐น๐ข๐ฎ๐ฑ๐ญ๐ฆ ๐ฒ๐ถ๐ฆ๐ด๐ต๐ช๐ฐ๐ฏ:
โHow do you handle sudden changes in project priorities or scope?โ
5. ๐ง๐ถ๐บ๐ฒ ๐ ๐ฎ๐ป๐ฎ๐ด๐ฒ๐บ๐ฒ๐ป๐: Prove your ability to manage multiple tasks and deadlines.
๐๐น๐ข๐ฎ๐ฑ๐ญ๐ฆ ๐ฒ๐ถ๐ฆ๐ด๐ต๐ช๐ฐ๐ฏ:
โTell me about a time when you were under tight deadlines. How did you manage to meet them?โ
6. ๐๐บ๐ฝ๐ฎ๐๐ต๐ ๐ฎ๐ป๐ฑ ๐จ๐ป๐ฑ๐ฒ๐ฟ๐๐๐ฎ๐ป๐ฑ๐ถ๐ป๐ด: Show your ability to understand stakeholder needs.
๐๐น๐ข๐ฎ๐ฑ๐ญ๐ฆ ๐ฒ๐ถ๐ฆ๐ด๐ต๐ช๐ฐ๐ฏ:
โHow do you approach understanding the needs of different stakeholders when starting a new project?โ
Structure your answers using the STAR method (Situation, Task, Action, Result). This helps you provide clear and concise responses that highlight your skills.
By preparing for these soft skills questions, youโll demonstrate that youโre not just technically fit, but also a well-rounded professional ready to make an impact on the business.
You can find useful tips to improve your soft skills here: ๐ https://t.iss.one/englishlearnerspro/
โค2
Python CheatSheet ๐ โ
1. Basic Syntax
- Print Statement:
- Comments:
2. Data Types
- Integer:
- Float:
- String:
- List:
- Tuple:
- Dictionary:
3. Control Structures
- If Statement:
- For Loop:
- While Loop:
4. Functions
- Define Function:
- Lambda Function:
5. Exception Handling
- Try-Except Block:
6. File I/O
- Read File:
- Write File:
7. List Comprehensions
- Basic Example:
- Conditional Comprehension:
8. Modules and Packages
- Import Module:
- Import Specific Function:
9. Common Libraries
- NumPy:
- Pandas:
- Matplotlib:
10. Object-Oriented Programming
- Define Class:
11. Virtual Environments
- Create Environment:
- Activate Environment:
- Windows:
- macOS/Linux:
12. Common Commands
- Run Script:
- Install Package:
- List Installed Packages:
This Python checklist serves as a quick reference for essential syntax, functions, and best practices to enhance your coding efficiency!
Checklist for Data Analyst: https://dataanalytics.beehiiv.com/p/data
Here you can find essential Python Interview Resources๐
https://t.iss.one/DataSimplifier
Like for more resources like this ๐ โฅ๏ธ
Share with credits: https://t.iss.one/sqlspecialist
Hope it helps :)
1. Basic Syntax
- Print Statement:
print("Hello, World!")- Comments:
# This is a comment2. Data Types
- Integer:
x = 10- Float:
y = 10.5- String:
name = "Alice"- List:
fruits = ["apple", "banana", "cherry"]- Tuple:
coordinates = (10, 20)- Dictionary:
person = {"name": "Alice", "age": 25}3. Control Structures
- If Statement:
if x > 10:
print("x is greater than 10")
- For Loop:
for fruit in fruits:
print(fruit)
- While Loop:
while x < 5:
x += 1
4. Functions
- Define Function:
def greet(name):
return f"Hello, {name}!"
- Lambda Function:
add = lambda a, b: a + b5. Exception Handling
- Try-Except Block:
try:
result = 10 / 0
except ZeroDivisionError:
print("Cannot divide by zero.")
6. File I/O
- Read File:
with open('file.txt', 'r') as file:
content = file.read()
- Write File:
with open('file.txt', 'w') as file:
file.write("Hello, World!")
7. List Comprehensions
- Basic Example:
squared = [x**2 for x in range(10)]- Conditional Comprehension:
even_squares = [x**2 for x in range(10) if x % 2 == 0]8. Modules and Packages
- Import Module:
import math- Import Specific Function:
from math import sqrt9. Common Libraries
- NumPy:
import numpy as np- Pandas:
import pandas as pd- Matplotlib:
import matplotlib.pyplot as plt10. Object-Oriented Programming
- Define Class:
class Dog:
def __init__(self, name):
self.name = name
def bark(self):
return "Woof!"
11. Virtual Environments
- Create Environment:
python -m venv myenv- Activate Environment:
- Windows:
myenv\Scripts\activate- macOS/Linux:
source myenv/bin/activate12. Common Commands
- Run Script:
python script.py- Install Package:
pip install package_name- List Installed Packages:
pip listThis Python checklist serves as a quick reference for essential syntax, functions, and best practices to enhance your coding efficiency!
Checklist for Data Analyst: https://dataanalytics.beehiiv.com/p/data
Here you can find essential Python Interview Resources๐
https://t.iss.one/DataSimplifier
Like for more resources like this ๐ โฅ๏ธ
Share with credits: https://t.iss.one/sqlspecialist
Hope it helps :)
โค5
๐๐ข๐ฆ๐ฉ๐ฅ๐ ๐๐ฎ๐ข๐๐ ๐ญ๐จ ๐๐๐๐ซ๐ง ๐๐๐๐ก๐ข๐ง๐ ๐๐๐๐ซ๐ง๐ข๐ง๐ ๐๐จ๐ซ ๐๐๐ญ๐ ๐๐ง๐๐ฅ๐ฒ๐ญ๐ข๐๐ฌ ๐
๐ ๐๐ก๐๐ญ ๐ข๐ฌ ๐๐๐๐ก๐ข๐ง๐ ๐๐๐๐ซ๐ง๐ข๐ง๐ ?
Imagine you're teaching a child to recognize fruits. You show them an apple, tell them itโs an apple, and next time they know it. Thatโs what Machine Learning does! But instead of a child, itโs a computer, and instead of fruits, it learns from data.
Machine Learning is about teaching computers to learn from past data so they can make smart decisions or predictions on their own, improving over time without needing new instructions.
๐ค ๐๐ก๐ฒ ๐ข๐ฌ ๐๐๐๐ก๐ข๐ง๐ ๐๐๐๐ซ๐ง๐ข๐ง๐ ๐๐ฆ๐ฉ๐จ๐ซ๐ญ๐๐ง๐ญ ๐๐จ๐ซ ๐๐๐ญ๐ ๐๐ง๐๐ฅ๐ฒ๐ญ๐ข๐๐ฌ?
Machine Learning makes data analytics super powerful. Instead of just looking at past data, it can help predict future trends, find patterns we didnโt notice, and make decisions that help businesses grow!
๐ฎ ๐๐จ๐ฐ ๐ญ๐จ ๐๐๐๐ซ๐ง ๐๐๐๐ก๐ข๐ง๐ ๐๐๐๐ซ๐ง๐ข๐ง๐ ๐๐จ๐ซ ๐๐๐ญ๐ ๐๐ง๐๐ฅ๐ฒ๐ญ๐ข๐๐ฌ?
โ ๐๐๐๐ซ๐ง ๐๐ฒ๐ญ๐ก๐จ๐ง: Python is the most commonly used language in ML. Start by getting comfortable with basic Python, then move on to ML-specific libraries like:
๐ฉ๐๐ง๐๐๐ฌ: For data manipulation.
๐๐ฎ๐ฆ๐๐ฒ: For numerical calculations.
๐ฌ๐๐ข๐ค๐ข๐ญ-๐ฅ๐๐๐ซ๐ง: For implementing basic ML algorithms.
โ ๐๐ง๐๐๐ซ๐ฌ๐ญ๐๐ง๐ ๐ญ๐ก๐ ๐๐๐ฌ๐ข๐๐ฌ ๐จ๐ ๐๐ญ๐๐ญ๐ข๐ฌ๐ญ๐ข๐๐ฌ: ML relies heavily on concepts like probability, distributions, and hypothesis testing. Understanding basic statistics will help you grasp how models work.
โ ๐๐ซ๐๐๐ญ๐ข๐๐ ๐จ๐ง ๐๐๐๐ฅ ๐๐๐ญ๐๐ฌ๐๐ญ๐ฌ: Platforms like Kaggle offer datasets and ML competitions. Start by analyzing small datasets to understand how machine learning models make predictions.
โ ๐๐๐๐ซ๐ง ๐๐ข๐ฌ๐ฎ๐๐ฅ๐ข๐ณ๐๐ญ๐ข๐จ๐ง: Use tools like Matplotlib or Seaborn to visualize data. This will help you understand patterns in the data and how machine learning models interpret them.
โ ๐๐จ๐ซ๐ค ๐จ๐ง ๐๐ข๐ฆ๐ฉ๐ฅ๐ ๐๐ซ๐จ๐ฃ๐๐๐ญ๐ฌ: Start with basic ML projects such as:
-Predicting house prices.
-Classifying emails as spam or not spam.
-Clustering customers based on their purchasing habits.
I have curated the best interview resources to crack Data Science Interviews
๐๐
https://whatsapp.com/channel/0029VaGgzAk72WTmQFERKh02
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๐ ๐๐ก๐๐ญ ๐ข๐ฌ ๐๐๐๐ก๐ข๐ง๐ ๐๐๐๐ซ๐ง๐ข๐ง๐ ?
Imagine you're teaching a child to recognize fruits. You show them an apple, tell them itโs an apple, and next time they know it. Thatโs what Machine Learning does! But instead of a child, itโs a computer, and instead of fruits, it learns from data.
Machine Learning is about teaching computers to learn from past data so they can make smart decisions or predictions on their own, improving over time without needing new instructions.
๐ค ๐๐ก๐ฒ ๐ข๐ฌ ๐๐๐๐ก๐ข๐ง๐ ๐๐๐๐ซ๐ง๐ข๐ง๐ ๐๐ฆ๐ฉ๐จ๐ซ๐ญ๐๐ง๐ญ ๐๐จ๐ซ ๐๐๐ญ๐ ๐๐ง๐๐ฅ๐ฒ๐ญ๐ข๐๐ฌ?
Machine Learning makes data analytics super powerful. Instead of just looking at past data, it can help predict future trends, find patterns we didnโt notice, and make decisions that help businesses grow!
๐ฎ ๐๐จ๐ฐ ๐ญ๐จ ๐๐๐๐ซ๐ง ๐๐๐๐ก๐ข๐ง๐ ๐๐๐๐ซ๐ง๐ข๐ง๐ ๐๐จ๐ซ ๐๐๐ญ๐ ๐๐ง๐๐ฅ๐ฒ๐ญ๐ข๐๐ฌ?
โ ๐๐๐๐ซ๐ง ๐๐ฒ๐ญ๐ก๐จ๐ง: Python is the most commonly used language in ML. Start by getting comfortable with basic Python, then move on to ML-specific libraries like:
๐ฉ๐๐ง๐๐๐ฌ: For data manipulation.
๐๐ฎ๐ฆ๐๐ฒ: For numerical calculations.
๐ฌ๐๐ข๐ค๐ข๐ญ-๐ฅ๐๐๐ซ๐ง: For implementing basic ML algorithms.
โ ๐๐ง๐๐๐ซ๐ฌ๐ญ๐๐ง๐ ๐ญ๐ก๐ ๐๐๐ฌ๐ข๐๐ฌ ๐จ๐ ๐๐ญ๐๐ญ๐ข๐ฌ๐ญ๐ข๐๐ฌ: ML relies heavily on concepts like probability, distributions, and hypothesis testing. Understanding basic statistics will help you grasp how models work.
โ ๐๐ซ๐๐๐ญ๐ข๐๐ ๐จ๐ง ๐๐๐๐ฅ ๐๐๐ญ๐๐ฌ๐๐ญ๐ฌ: Platforms like Kaggle offer datasets and ML competitions. Start by analyzing small datasets to understand how machine learning models make predictions.
โ ๐๐๐๐ซ๐ง ๐๐ข๐ฌ๐ฎ๐๐ฅ๐ข๐ณ๐๐ญ๐ข๐จ๐ง: Use tools like Matplotlib or Seaborn to visualize data. This will help you understand patterns in the data and how machine learning models interpret them.
โ ๐๐จ๐ซ๐ค ๐จ๐ง ๐๐ข๐ฆ๐ฉ๐ฅ๐ ๐๐ซ๐จ๐ฃ๐๐๐ญ๐ฌ: Start with basic ML projects such as:
-Predicting house prices.
-Classifying emails as spam or not spam.
-Clustering customers based on their purchasing habits.
I have curated the best interview resources to crack Data Science Interviews
๐๐
https://whatsapp.com/channel/0029VaGgzAk72WTmQFERKh02
Like if you need similar content ๐๐
โค4
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10 great Python packages for Data Science not known to many:
1๏ธโฃ CleanLab
Cleanlab helps you clean data and labels by automatically detecting issues in a ML dataset.
2๏ธโฃ LazyPredict
A Python library that enables you to train, test, and evaluate multiple ML models at once using just a few lines of code.
3๏ธโฃ Lux
A Python library for quickly visualizing and analyzing data, providing an easy and efficient way to explore data.
4๏ธโฃ PyForest
A time-saving tool that helps in importing all the necessary data science libraries and functions with a single line of code.
5๏ธโฃ PivotTableJS
PivotTableJS lets you interactively analyse your data in Jupyter Notebooks without any code ๐ฅ
6๏ธโฃ Drawdata
Drawdata is a python library that allows you to draw a 2-D dataset of any shape in a Jupyter Notebook.
7๏ธโฃ black
The Uncompromising Code Formatter
8๏ธโฃ PyCaret
An open-source, low-code machine learning library in Python that automates the machine learning workflow.
9๏ธโฃ PyTorch-Lightning by LightningAI
Streamlines your model training, automates boilerplate code, and lets you focus on what matters: research & innovation.
๐ Streamlit
A framework for creating web applications for data science and machine learning projects, allowing for easy and interactive data viz & model deployment.
I have curated the best interview resources to crack Data Science Interviews
๐๐
https://whatsapp.com/channel/0029VaiM08SDuMRaGKd9Wv0L
Like if you need similar content ๐๐
1๏ธโฃ CleanLab
Cleanlab helps you clean data and labels by automatically detecting issues in a ML dataset.
2๏ธโฃ LazyPredict
A Python library that enables you to train, test, and evaluate multiple ML models at once using just a few lines of code.
3๏ธโฃ Lux
A Python library for quickly visualizing and analyzing data, providing an easy and efficient way to explore data.
4๏ธโฃ PyForest
A time-saving tool that helps in importing all the necessary data science libraries and functions with a single line of code.
5๏ธโฃ PivotTableJS
PivotTableJS lets you interactively analyse your data in Jupyter Notebooks without any code ๐ฅ
6๏ธโฃ Drawdata
Drawdata is a python library that allows you to draw a 2-D dataset of any shape in a Jupyter Notebook.
7๏ธโฃ black
The Uncompromising Code Formatter
8๏ธโฃ PyCaret
An open-source, low-code machine learning library in Python that automates the machine learning workflow.
9๏ธโฃ PyTorch-Lightning by LightningAI
Streamlines your model training, automates boilerplate code, and lets you focus on what matters: research & innovation.
๐ Streamlit
A framework for creating web applications for data science and machine learning projects, allowing for easy and interactive data viz & model deployment.
I have curated the best interview resources to crack Data Science Interviews
๐๐
https://whatsapp.com/channel/0029VaiM08SDuMRaGKd9Wv0L
Like if you need similar content ๐๐
โค2๐2
AI & ML Project Ideas
โค1