Data Science & Machine Learning
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Breaking into Data Science doesnโ€™t need to be complicated.

If youโ€™re just starting out,

Hereโ€™s how to simplify your approach:

Avoid:
๐Ÿšซ Trying to learn every tool and library (Python, R, TensorFlow, Hadoop, etc.) all at once.
๐Ÿšซ Spending months on theoretical concepts without hands-on practice.
๐Ÿšซ Overloading your resume with keywords instead of impactful projects.
๐Ÿšซ Believing you need a Ph.D. to break into the field.

Instead:

โœ… Start with Python or Rโ€”focus on mastering one language first.
โœ… Learn how to work with structured data (Excel or SQL) - this is your bread and butter.
โœ… Dive into a simple machine learning model (like linear regression) to understand the basics.
โœ… Solve real-world problems with open datasets and share them in a portfolio.
โœ… Build a project that tells a story - why the problem matters, what you found, and what actions it suggests.

Data Science & Machine Learning Resources: https://topmate.io/coding/914624

Like if you need similar content ๐Ÿ˜„๐Ÿ‘

Hope this helps you ๐Ÿ˜Š

#ai #datascience
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This is a quick and easy guide to the four main categories: Supervised, Unsupervised, Semi-Supervised, and Reinforcement Learning.

1. Supervised Learning
In supervised learning, the model learns from examples that already have the answers (labeled data). The goal is for the model to predict the correct result when given new data.

Some common supervised learning algorithms include:

โžก๏ธ Linear Regression โ€“ For predicting continuous values, like house prices.
โžก๏ธ Logistic Regression โ€“ For predicting categories, like spam or not spam.
โžก๏ธ Decision Trees โ€“ For making decisions in a step-by-step way.
โžก๏ธ K-Nearest Neighbors (KNN) โ€“ For finding similar data points.
โžก๏ธ Random Forests โ€“ A collection of decision trees for better accuracy.
โžก๏ธ Neural Networks โ€“ The foundation of deep learning, mimicking the human brain.

2. Unsupervised Learning
With unsupervised learning, the model explores patterns in data that doesnโ€™t have any labels. It finds hidden structures or groupings.

Some popular unsupervised learning algorithms include:

โžก๏ธ K-Means Clustering โ€“ For grouping data into clusters.
โžก๏ธ Hierarchical Clustering โ€“ For building a tree of clusters.
โžก๏ธ Principal Component Analysis (PCA) โ€“ For reducing data to its most important parts.
โžก๏ธ Autoencoders โ€“ For finding simpler representations of data.

3. Semi-Supervised Learning
This is a mix of supervised and unsupervised learning. It uses a small amount of labeled data with a large amount of unlabeled data to improve learning.

Common semi-supervised learning algorithms include:

โžก๏ธ Label Propagation โ€“ For spreading labels through connected data points.
โžก๏ธ Semi-Supervised SVM โ€“ For combining labeled and unlabeled data.
โžก๏ธ Graph-Based Methods โ€“ For using graph structures to improve learning.

4. Reinforcement Learning
In reinforcement learning, the model learns by trial and error. It interacts with its environment, receives feedback (rewards or penalties), and learns how to act to maximize rewards.

Popular reinforcement learning algorithms include:

โžก๏ธ Q-Learning โ€“ For learning the best actions over time.
โžก๏ธ Deep Q-Networks (DQN) โ€“ Combining Q-learning with deep learning.
โžก๏ธ Policy Gradient Methods โ€“ For learning policies directly.
โžก๏ธ Proximal Policy Optimization (PPO) โ€“ For stable and effective learning.

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๐——๐—ฎ๐˜๐—ฎ ๐—ฆ๐—ฐ๐—ถ๐—ฒ๐—ป๐—ฐ๐—ฒ ๐—ฟ๐—ผ๐—ฎ๐—ฑ๐—บ๐—ฎ๐—ฝ ๐˜๐—ผ ๐˜€๐—ต๐—ฎ๐—ฝ๐—ฒ ๐˜†๐—ผ๐˜‚๐—ฟ ๐—ฐ๐—ฎ๐—ฟ๐—ฒ๐—ฒ๐—ฟ: ๐Ÿ‘‡

-> 1. Learn the Language of Data
Start with Python or R. Learn how to write clean scripts, automate tasks, and manipulate data like a pro.

-> 2. Master Data Handling
Use Pandas, NumPy, and SQL. These are your weapons for data cleaning, transformation, and querying.
Garbage in = Garbage out. Always clean your data.

-> 3. Nail the Basics of Statistics & Probability
You canโ€™t call yourself a data scientist if you donโ€™t understand distributions, p-values, confidence intervals, and hypothesis testing.

-> 4. Exploratory Data Analysis (EDA)
Visualize the story behind the numbers with Matplotlib, Seaborn, and Plotly.
EDA is how you uncover hidden gold.

-> 5. Learn Machine Learning the Right Way

Start simple:

Linear Regression

Logistic Regression

Decision Trees
Then level up with Random Forest, XGBoost, and Neural Networks.


-> 6. Build Real Projects
Kaggle, personal projects, domain-specific problemsโ€”donโ€™t just learn, apply.
Make a portfolio that speaks louder than your resume.

-> 7. Learn Deployment (Optional but Powerful)
Use Flask, Streamlit, or FastAPI to deploy your models.
Turn models into real-world applications.

-> 8. Sharpen Soft Skills
Storytelling, communication, and business acumen are just as important as technical skills.
Explain your insights like a leader.


๐—ฌ๐—ผ๐˜‚ ๐—ฑ๐—ผ๐—ปโ€™๐˜ ๐—ต๐—ฎ๐˜ƒ๐—ฒ ๐˜๐—ผ ๐—ฏ๐—ฒ ๐—ฝ๐—ฒ๐—ฟ๐—ณ๐—ฒ๐—ฐ๐˜.
๐—ฌ๐—ผ๐˜‚ ๐—ท๐˜‚๐˜€๐˜ ๐—ต๐—ฎ๐˜ƒ๐—ฒ ๐˜๐—ผ ๐—ฏ๐—ฒ ๐—ฐ๐—ผ๐—ป๐˜€๐—ถ๐˜€๐˜๐—ฒ๐—ป๐˜.

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๐Ÿ”ฐ Data Science Roadmap for Beginners 2025
โ”œโ”€โ”€ ๐Ÿ“˜ What is Data Science?
โ”œโ”€โ”€ ๐Ÿง  Data Science vs Data Analytics vs Machine Learning
โ”œโ”€โ”€ ๐Ÿ›  Tools of the Trade (Python, R, Excel, SQL)
โ”œโ”€โ”€ ๐Ÿ Python for Data Science (NumPy, Pandas, Matplotlib)
โ”œโ”€โ”€ ๐Ÿ”ข Statistics & Probability Basics
โ”œโ”€โ”€ ๐Ÿ“Š Data Visualization (Matplotlib, Seaborn, Plotly)
โ”œโ”€โ”€ ๐Ÿงผ Data Cleaning & Preprocessing
โ”œโ”€โ”€ ๐Ÿงฎ Exploratory Data Analysis (EDA)
โ”œโ”€โ”€ ๐Ÿง  Introduction to Machine Learning
โ”œโ”€โ”€ ๐Ÿ“ฆ Supervised vs Unsupervised Learning
โ”œโ”€โ”€ ๐Ÿค– Popular ML Algorithms (Linear Reg, KNN, Decision Trees)
โ”œโ”€โ”€ ๐Ÿงช Model Evaluation (Accuracy, Precision, Recall, F1 Score)
โ”œโ”€โ”€ ๐Ÿงฐ Model Tuning (Cross Validation, Grid Search)
โ”œโ”€โ”€ โš™๏ธ Feature Engineering
โ”œโ”€โ”€ ๐Ÿ— Real-world Projects (Kaggle, UCI Datasets)
โ”œโ”€โ”€ ๐Ÿ“ˆ Basic Deployment (Streamlit, Flask, Heroku)
โ”œโ”€โ”€ ๐Ÿ” Continuous Learning: Blogs, Research Papers, Competitions

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โค2๐Ÿ‘2๐Ÿ‘1
10 Machine Learning Concepts You Must Know

1. Supervised vs Unsupervised Learning

Supervised Learning involves training a model on labeled data (input-output pairs). Examples: Linear Regression, Classification.

Unsupervised Learning deals with unlabeled data. The model tries to find hidden patterns or groupings. Examples: Clustering (K-Means), Dimensionality Reduction (PCA).


2. Bias-Variance Tradeoff

Bias is the error due to overly simplistic assumptions in the learning algorithm.

Variance is the error due to excessive sensitivity to small fluctuations in the training data.

Goal: Minimize both for optimal model performance. High bias โ†’ underfitting; High variance โ†’ overfitting.


3. Feature Engineering

The process of selecting, transforming, and creating variables (features) to improve model performance.

Examples: Normalization, encoding categorical variables, creating interaction terms, handling missing data.


4. Train-Test Split & Cross-Validation

Train-Test Split divides the dataset into training and testing subsets to evaluate model generalization.

Cross-Validation (e.g., k-fold) provides a more reliable evaluation by splitting data into k subsets and training/testing on each.


5. Confusion Matrix

A performance evaluation tool for classification models showing TP, TN, FP, FN.

From it, we derive:

Accuracy = (TP + TN) / Total

Precision = TP / (TP + FP)

Recall = TP / (TP + FN)

F1 Score = 2 * (Precision * Recall) / (Precision + Recall)



6. Gradient Descent

An optimization algorithm used to minimize the cost/loss function by iteratively updating model parameters in the direction of the negative gradient.

Variants: Batch GD, Stochastic GD (SGD), Mini-batch GD.


7. Regularization (L1/L2)

Techniques to prevent overfitting by adding a penalty term to the loss function.

L1 (Lasso): Adds absolute value of coefficients, can shrink some to zero (feature selection).

L2 (Ridge): Adds square of coefficients, tends to shrink but not eliminate coefficients.


8. Decision Trees & Random Forests

Decision Tree: A tree-structured model that splits data based on features. Easy to interpret.

Random Forest: An ensemble of decision trees; reduces overfitting and improves accuracy.


9. Support Vector Machines (SVM)

A supervised learning algorithm used for classification. It finds the optimal hyperplane that separates classes.

Uses kernels (linear, polynomial, RBF) to handle non-linearly separable data.


10. Neural Networks

Inspired by the human brain, these consist of layers of interconnected neurons.

Deep Neural Networks (DNNs) can model complex patterns.

The backbone of deep learning applications like image recognition, NLP, etc.

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We have the Key to unlock AI-Powered Data Skills!

We have got some news for College grads & pros:

Level up with PW Skills' Data Analytics & Data Science with Gen AI course!

โœ… Real-world projects
โœ… Professional instructors
โœ… Flexible learning
โœ… Job Assistance

Ready for a data career boost? โžก๏ธ
Click Here for Data Science with Generative AI Course:

https://shorturl.at/j4lTD

Click Here for Data Analytics Course:
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Python Detailed Roadmap ๐Ÿš€

๐Ÿ“Œ 1. Basics
โ—ผ Data Types & Variables
โ—ผ Operators & Expressions
โ—ผ Control Flow (if, loops)

๐Ÿ“Œ 2. Functions & Modules
โ—ผ Defining Functions
โ—ผ Lambda Functions
โ—ผ Importing & Creating Modules

๐Ÿ“Œ 3. File Handling
โ—ผ Reading & Writing Files
โ—ผ Working with CSV & JSON

๐Ÿ“Œ 4. Object-Oriented Programming (OOP)
โ—ผ Classes & Objects
โ—ผ Inheritance & Polymorphism
โ—ผ Encapsulation

๐Ÿ“Œ 5. Exception Handling
โ—ผ Try-Except Blocks
โ—ผ Custom Exceptions

๐Ÿ“Œ 6. Advanced Python Concepts
โ—ผ List & Dictionary Comprehensions
โ—ผ Generators & Iterators
โ—ผ Decorators

๐Ÿ“Œ 7. Essential Libraries
โ—ผ NumPy (Arrays & Computations)
โ—ผ Pandas (Data Analysis)
โ—ผ Matplotlib & Seaborn (Visualization)

๐Ÿ“Œ 8. Web Development & APIs
โ—ผ Web Scraping (BeautifulSoup, Scrapy)
โ—ผ API Integration (Requests)
โ—ผ Flask & Django (Backend Development)

๐Ÿ“Œ 9. Automation & Scripting
โ—ผ Automating Tasks with Python
โ—ผ Working with Selenium & PyAutoGUI

๐Ÿ“Œ 10. Data Science & Machine Learning
โ—ผ Data Cleaning & Preprocessing
โ—ผ Scikit-Learn (ML Algorithms)
โ—ผ TensorFlow & PyTorch (Deep Learning)

๐Ÿ“Œ 11. Projects
โ—ผ Build Real-World Applications
โ—ผ Showcase on GitHub

๐Ÿ“Œ 12. โœ… Apply for Jobs
โ—ผ Strengthen Resume & Portfolio
โ—ผ Prepare for Technical Interviews

Like for more โค๏ธ๐Ÿ’ช
๐Ÿ‘11๐Ÿค”2
3 Data Science Free courses by Microsoft๐Ÿ”ฅ๐Ÿ”ฅ

1. AI For Beginners - https://microsoft.github.io/AI-For-Beginners/

2. ML For Beginners - https://microsoft.github.io/ML-For-Beginners/#/

3. Data Science For Beginners - https://github.com/microsoft/Data-Science-For-Beginners

Join for more: https://t.iss.one/udacityfreecourse
Bayesian Data Analysis
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Basics of Machine Learning ๐Ÿ‘‡๐Ÿ‘‡

Machine learning is a branch of artificial intelligence where computers learn from data to make decisions without explicit programming. There are three main types:

1. Supervised Learning: The algorithm is trained on a labeled dataset, learning to map input to output. For example, it can predict housing prices based on features like size and location.

2. Unsupervised Learning: The algorithm explores data patterns without explicit labels. Clustering is a common task, grouping similar data points. An example is customer segmentation for targeted marketing.

3. Reinforcement Learning: The algorithm learns by interacting with an environment. It receives feedback in the form of rewards or penalties, improving its actions over time. Gaming AI and robotic control are applications.

Key concepts include:

- Features and Labels: Features are input variables, and labels are the desired output. The model learns to map features to labels during training.

- Training and Testing: The model is trained on a subset of data and then tested on unseen data to evaluate its performance.

- Overfitting and Underfitting: Overfitting occurs when a model is too complex and fits the training data too closely, performing poorly on new data. Underfitting happens when the model is too simple and fails to capture the underlying patterns.

- Algorithms: Different algorithms suit various tasks. Common ones include linear regression for predicting numerical values, and decision trees for classification tasks.

In summary, machine learning involves training models on data to make predictions or decisions. Supervised learning uses labeled data, unsupervised learning finds patterns in unlabeled data, and reinforcement learning learns through interaction with an environment. Key considerations include features, labels, overfitting, underfitting, and choosing the right algorithm for the task.

Free Resources to learn Machine Learning: https://whatsapp.com/channel/0029Va4QUHa6rsQjhITHK82y

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The Data Science Sandwich
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๐—›๐—ผ๐˜„ ๐˜๐—ผ ๐—Ÿ๐—ฒ๐—ฎ๐—ฟ๐—ป ๐—ฃ๐˜†๐˜๐—ต๐—ผ๐—ป ๐—™๐—ฎ๐˜€๐˜ (๐—˜๐˜ƒ๐—ฒ๐—ป ๐—œ๐—ณ ๐—ฌ๐—ผ๐˜‚'๐˜ƒ๐—ฒ ๐—ก๐—ฒ๐˜ƒ๐—ฒ๐—ฟ ๐—–๐—ผ๐—ฑ๐—ฒ๐—ฑ ๐—•๐—ฒ๐—ณ๐—ผ๐—ฟ๐—ฒ!)๐Ÿ๐Ÿš€

Python is everywhereโ€”web dev, data science, automation, AIโ€ฆ
But where should YOU start if you're a beginner?

Donโ€™t worry. Hereโ€™s a 6-step roadmap to master Python the smart way (no fluff, just action)๐Ÿ‘‡

๐Ÿ”น ๐—ฆ๐˜๐—ฒ๐—ฝ ๐Ÿญ: Learn the Basics (Donโ€™t Skip This!)
โœ… Variables, data types (int, float, string, bool)
โœ… Loops (for, while), conditionals (if/else)
โœ… Functions and user input
Start with:
Python.org Docs
YouTube: Programming with Mosh / CodeWithHarry
Platforms: W3Schools / SoloLearn / FreeCodeCamp
Spend a week here.

Practice > Theory.

๐Ÿ”น ๐—ฆ๐˜๐—ฒ๐—ฝ ๐Ÿฎ: Automate Boring Stuff (Itโ€™s Fun + Useful!)
โœ… Rename files in bulk
โœ… Auto-fill forms
โœ… Web scraping with BeautifulSoup or Selenium
Read: โ€œAutomate the Boring Stuff with Pythonโ€
Itโ€™s beginner-friendly and practical!

๐Ÿ”น ๐—ฆ๐˜๐—ฒ๐—ฝ ๐Ÿฏ: Build Mini Projects (Your Confidence Booster)
โœ… Calculator app
โœ… Dice roll simulator
โœ… Password generator
โœ… Number guessing game

These small projects teach logic, problem-solving, and syntax in action.

๐Ÿ”น ๐—ฆ๐˜๐—ฒ๐—ฝ ๐Ÿฐ: Dive Into Libraries (Pythonโ€™s Superpower)
โœ… Pandas and NumPy โ€“ for data
โœ… Matplotlib โ€“ for visualizations
โœ… Requests โ€“ for APIs
โœ… Tkinter โ€“ for GUI apps
โœ… Flask โ€“ for web apps

Libraries are what make Python powerful. Learn one at a time with a mini project.

๐Ÿ”น ๐—ฆ๐˜๐—ฒ๐—ฝ ๐Ÿฑ: Use Git + GitHub (Be a Real Dev)
โœ… Track your code with Git
โœ… Upload projects to GitHub
โœ… Write clear README files
โœ… Contribute to open source repos

Your GitHub profile = Your online CV. Keep it active!

๐Ÿ”น ๐—ฆ๐˜๐—ฒ๐—ฝ ๐Ÿฒ: Build a Capstone Project (Level-Up!)
โœ… A weather dashboard (API + Flask)
โœ… A personal expense tracker
โœ… A web scraper that sends email alerts
โœ… A basic portfolio website in Python + Flask

Pick something that solves a real problemโ€”bonus if it helps you in daily life!

๐ŸŽฏ ๐—Ÿ๐—ฒ๐—ฎ๐—ฟ๐—ป๐—ถ๐—ป๐—ด ๐—ฃ๐˜†๐˜๐—ต๐—ผ๐—ป = ๐—Ÿ๐—ฒ๐—ฎ๐—ฟ๐—ป๐—ถ๐—ป๐—ด ๐—ฃ๐—ผ๐˜„๐—ฒ๐—ฟ๐—ณ๐˜‚๐—น ๐—ฃ๐—ฟ๐—ผ๐—ฏ๐—น๐—ฒ๐—บ ๐—ฆ๐—ผ๐—น๐˜ƒ๐—ถ๐—ป๐—ด

You donโ€™t need to memorize code. Understand the logic.
Google is your best friend. Practice is your real teacher.

Python Resources: https://whatsapp.com/channel/0029Vau5fZECsU9HJFLacm2a

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Data Science โ€“ Essential Topics ๐Ÿš€

1๏ธโƒฃ Data Collection & Processing
Web scraping, APIs, and databases
Handling missing data, duplicates, and outliers
Data transformation and normalization

2๏ธโƒฃ Exploratory Data Analysis (EDA)
Descriptive statistics (mean, median, variance, correlation)
Data visualization (bar charts, scatter plots, heatmaps)
Identifying patterns and trends

3๏ธโƒฃ Feature Engineering & Selection
Encoding categorical variables
Scaling and normalization techniques
Handling multicollinearity and dimensionality reduction

4๏ธโƒฃ Machine Learning Model Building
Supervised learning (classification, regression)
Unsupervised learning (clustering, anomaly detection)
Model selection and hyperparameter tuning

5๏ธโƒฃ Model Evaluation & Performance Metrics
Accuracy, precision, recall, F1-score, ROC-AUC
Cross-validation and bias-variance tradeoff
Confusion matrix and error analysis

6๏ธโƒฃ Deep Learning & Neural Networks
Basics of artificial neural networks (ANNs)
Convolutional neural networks (CNNs) for image processing
Recurrent neural networks (RNNs) for sequential data

7๏ธโƒฃ Big Data & Cloud Computing
Working with large datasets (Hadoop, Spark)
Cloud platforms (AWS, Google Cloud, Azure)
Scalable data pipelines and automation

8๏ธโƒฃ Model Deployment & Automation
Model deployment with Flask, FastAPI, or Streamlit
Monitoring and maintaining machine learning models
Automating data workflows with Airflow

Free Data Science Resources
๐Ÿ‘‡๐Ÿ‘‡
https://whatsapp.com/channel/0029Va8v3eo1NCrQfGMseL2D

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๐Ÿ‘5โค2
Kaggle Datasets are often too perfect for real-world scenarios.

I'm about to share a method for real-life data analysis.

You see โ€ฆ

โ€ฆ most of the time, a data analyst cleans and transforms data.

So โ€ฆ letโ€™s practice that.

How?

Well โ€ฆ you can use ChatGPT.

Just write this prompt:

Create a downloadable CSV dataset of 10,000 rows of financial credit card transactions with 10 columns of customer data so I can perform some data analysis to segment customers.

Nowโ€ฆ

Download the dataset and start your analysis.

You'll see that, most of the timeโ€ฆ

โ€ฆ numbers donโ€™t match.

There are no patterns.

Data is incorrect and doesnโ€™t make sense.

And thatโ€™s good.

Now you know what a data analyst deals with.

Your job is to make sense of that dataset.

To create a story that justifies the numbers.

This is how you can mimic real-life work using A.I.
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10 Machine Learning Concepts You Must Know

โœ… Supervised vs Unsupervised Learning โ€“ Understand the foundation of ML tasks
โœ… Bias-Variance Tradeoff โ€“ Balance underfitting and overfitting
โœ… Feature Engineering โ€“ The secret sauce to boost model performance
โœ… Train-Test Split & Cross-Validation โ€“ Evaluate models the right way
โœ… Confusion Matrix โ€“ Measure model accuracy, precision, recall, and F1
โœ… Gradient Descent โ€“ The algorithm behind learning in most models
โœ… Regularization (L1/L2) โ€“ Prevent overfitting by penalizing complexity
โœ… Decision Trees & Random Forests โ€“ Interpretable and powerful models
โœ… Support Vector Machines โ€“ Great for classification with clear boundaries
โœ… Neural Networks โ€“ The foundation of deep learning

React with โค๏ธ for detailed explained

Data Science & Machine Learning Resources: https://whatsapp.com/channel/0029Va8v3eo1NCrQfGMseL2D

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3 Data Science Free courses by Microsoft๐Ÿ”ฅ๐Ÿ”ฅ

1. AI For Beginners - https://microsoft.github.io/AI-For-Beginners/

2. ML For Beginners - https://microsoft.github.io/ML-For-Beginners/#/

3. Data Science For Beginners - https://github.com/microsoft/Data-Science-For-Beginners

Join for more: https://t.iss.one/udacityfreecourse
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FREE RESOURCES TO LEARN MACHINE LEARNING
๐Ÿ‘‡๐Ÿ‘‡

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

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If I Were to Start My Data Science Career from Scratch, Here's What I Would Do ๐Ÿ‘‡

1๏ธโƒฃ Master Advanced SQL

Foundations: Learn database structures, tables, and relationships.

Basic SQL Commands: SELECT, FROM, WHERE, ORDER BY.

Aggregations: Get hands-on with SUM, COUNT, AVG, MIN, MAX, GROUP BY, and HAVING.

JOINs: Understand LEFT, RIGHT, INNER, OUTER, and CARTESIAN joins.

Advanced Concepts: CTEs, window functions, and query optimization.

Metric Development: Build and report metrics effectively.


2๏ธโƒฃ Study Statistics & A/B Testing

Descriptive Statistics: Know your mean, median, mode, and standard deviation.

Distributions: Familiarize yourself with normal, Bernoulli, binomial, exponential, and uniform distributions.

Probability: Understand basic probability and Bayes' theorem.

Intro to ML: Start with linear regression, decision trees, and K-means clustering.

Experimentation Basics: T-tests, Z-tests, Type 1 & Type 2 errors.

A/B Testing: Design experimentsโ€”hypothesis formation, sample size calculation, and sample biases.


3๏ธโƒฃ Learn Python for Data

Data Manipulation: Use pandas for data cleaning and manipulation.

Data Visualization: Explore matplotlib and seaborn for creating visualizations.

Hypothesis Testing: Dive into scipy for statistical testing.

Basic Modeling: Practice building models with scikit-learn.


4๏ธโƒฃ Develop Product Sense

Product Management Basics: Manage projects and understand the product life cycle.

Data-Driven Strategy: Leverage data to inform decisions and measure success.

Metrics in Business: Define and evaluate metrics that matter to the business.


5๏ธโƒฃ Hone Soft Skills

Communication: Clearly explain data findings to technical and non-technical audiences.

Collaboration: Work effectively in teams.

Time Management: Prioritize and manage projects efficiently.

Self-Reflection: Regularly assess and improve your skills.


6๏ธโƒฃ Bonus: Basic Data Engineering

Data Modeling: Understand dimensional modeling and trade-offs in normalization vs. denormalization.

ETL: Set up extraction jobs, manage dependencies, clean and validate data.

Pipeline Testing: Conduct unit testing and ensure data quality throughout the pipeline.

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100 Days Data Science Challenge ๐Ÿ‘†
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15 Best Project Ideas for Data Science : ๐Ÿ“Š

๐Ÿš€ Beginner Level:

1. Exploratory Data Analysis (EDA) on Titanic Dataset
2. Netflix Movies/TV Shows Data Analysis
3. COVID-19 Data Visualization Dashboard
4. Sales Data Analysis (CSV/Excel)
5. Student Performance Analysis

๐ŸŒŸ Intermediate Level:
6. Sentiment Analysis on Tweets
7. Customer Segmentation using K-Means
8. Credit Score Classification
9. House Price Prediction
10. Market Basket Analysis (Apriori Algorithm)

๐ŸŒŒ Advanced Level:
11. Time Series Forecasting (Stock/Weather Data)
12. Fake News Detection using NLP
13. Image Classification with CNN
14. Resume Parser using NLP
15. Customer Churn Prediction

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