Data Analytics & AI | SQL Interviews | Power BI Resources
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๐Ÿ”“Explore the fascinating world of Data Analytics & Artificial Intelligence

๐Ÿ’ป Best AI tools, free resources, and expert advice to land your dream tech job.

Admin: @coderfun
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Python Pandas Beginner's Guide
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๐— ๐—ฎ๐˜€๐˜๐—ฒ๐—ฟ ๐—ฆ๐—ผ๐—ณ๐˜ ๐—ฆ๐—ธ๐—ถ๐—น๐—น๐˜€ ๐—ณ๐—ผ๐—ฟ ๐—–๐—ฎ๐—ฟ๐—ฒ๐—ฒ๐—ฟ ๐—ฆ๐˜‚๐—ฐ๐—ฐ๐—ฒ๐˜€๐˜€!๐Ÿ˜

Want to stand out in your career?

Soft skills are just as important as technical expertise! ๐ŸŒŸ

Here are 3 FREE courses to help you communicate, negotiate, and present with confidence

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Tag someone who needs this boost! ๐Ÿš€
Data Analysis Roadmap.pdf
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Data Analysis Roadmap!

Don't know where to start your Data Analyst journey? Worry not! Here is a 3 month roadmap that coverts everything a beginner needs, with no prior coding experience!


This roadmap covers:

- Technical Skills: Step-by-step guides for Excel, BI tools (Power BI/Tableau), SQL, Python & Pandas

- Soft Skills: Tips for networking, LinkedIn optimization, and business fundamentals

- Assignments and Projects: Real-world applications each week to build your portfolio

- Interview Prep: Practical resources and mock projects to get you job-ready

If youโ€™re ready to learn with structured weekly goals, free resources, and hands-on assignments, this roadmap is a great place to start!
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๐— ๐—ฎ๐˜€๐˜๐—ฒ๐—ฟ ๐—ฆ๐—ค๐—Ÿ ๐—ณ๐—ผ๐—ฟ ๐——๐—ฎ๐˜๐—ฎ ๐—”๐—ป๐—ฎ๐—น๐˜†๐˜๐—ถ๐—ฐ๐˜€ ๐—ถ๐—ป ๐—๐˜‚๐˜€๐˜ ๐Ÿญ๐Ÿฐ ๐——๐—ฎ๐˜†๐˜€!๐Ÿ˜

Want to become a SQL pro in just 2 weeks?

SQL is a must-have skill for data analysts! ๐ŸŽฏ

This step-by-step roadmap will take you from beginner to advanced ๐Ÿ“

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๐Ÿ“Œ Follow this roadmap, practice daily, and take your SQL skills to the next level!
Preparing for a data science interview can be challenging, but with the right approach, you can increase your chances of success. Here are some tips to help you prepare for your next data science interview:

๐Ÿ‘‰ 1. Review the Fundamentals: Make sure you have a thorough understanding of the fundamentals of statistics, probability, and linear algebra. You should also be familiar with data structures, algorithms, and programming languages like Python, R, and SQL.

๐Ÿ‘‰ 2. Brush up on Machine Learning: Machine learning is a key aspect of data science. Make sure you have a solid understanding of different types of machine learning algorithms like supervised, unsupervised, and reinforcement learning.

๐Ÿ‘‰ 3. Practice Coding: Practice coding questions related to data structures, algorithms, and data science problems. You can use online resources like HackerRank, LeetCode, and Kaggle to practice.

๐Ÿ‘‰ 4. Build a Portfolio: Create a portfolio of projects that demonstrate your data science skills. This can include data cleaning, data wrangling, exploratory data analysis, and machine learning projects.

๐Ÿ‘‰ 5. Practice Communication: Data scientists are expected to effectively communicate complex technical concepts to non-technical stakeholders. Practice explaining your projects and technical concepts in simple terms.

๐Ÿ‘‰ 6. Research the Company: Research the company you are interviewing with and their industry. Understand how they use data and what data science problems they are trying to solve.

By following these tips, you can be well-prepared for your next data science interview. Good luck!
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Forwarded from Artificial Intelligence
๐Ÿณ ๐—™๐—ฅ๐—˜๐—˜ ๐— ๐—ถ๐—ฐ๐—ฟ๐—ผ๐˜€๐—ผ๐—ณ๐˜ ๐—–๐—ฒ๐—ฟ๐˜๐—ถ๐—ณ๐—ถ๐—ฐ๐—ฎ๐˜๐—ถ๐—ผ๐—ป ๐—–๐—ผ๐˜‚๐—ฟ๐˜€๐—ฒ๐˜€๐Ÿ˜

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โœ…๐Ÿ“-๐’๐ญ๐ž๐ฉ ๐‘๐จ๐š๐๐ฆ๐š๐ฉ ๐ญ๐จ ๐’๐ฐ๐ข๐ญ๐œ๐ก ๐ข๐ง๐ญ๐จ ๐ญ๐ก๐ž ๐ƒ๐š๐ญ๐š ๐€๐ง๐š๐ฅ๐ฒ๐ญ๐ข๐œ๐ฌ ๐…๐ข๐ž๐ฅ๐โœ…

๐Ÿ’โ€โ™€๏ธ๐๐ฎ๐ข๐ฅ๐ ๐Š๐ž๐ฒ ๐’๐ค๐ข๐ฅ๐ฅ๐ฌ: Focus on core skillsโ€”Excel, SQL, Power BI, and Python.

๐Ÿ’โ€โ™€๏ธ๐‡๐š๐ง๐๐ฌ-๐Ž๐ง ๐๐ซ๐จ๐ฃ๐ž๐œ๐ญ๐ฌ: Apply your skills to real-world data sets. Projects like sales analysis or customer segmentation show your practical experience. You can find projects on Youtube.

๐Ÿ’โ€โ™€๏ธ๐…๐ข๐ง๐ ๐š ๐Œ๐ž๐ง๐ญ๐จ๐ซ: Connect with someone experienced in data analytics for guidance(like me ๐Ÿ˜…). They can provide valuable insights, feedback, and keep you on track.

๐Ÿ’โ€โ™€๏ธ๐‚๐ซ๐ž๐š๐ญ๐ž ๐๐จ๐ซ๐ญ๐Ÿ๐จ๐ฅ๐ข๐จ: Compile your projects in a portfolio or on GitHub. A solid portfolio catches a recruiterโ€™s eye.

๐Ÿ’โ€โ™€๏ธ๐๐ซ๐š๐œ๐ญ๐ข๐œ๐ž ๐Ÿ๐จ๐ซ ๐ˆ๐ง๐ญ๐ž๐ซ๐ฏ๐ข๐ž๐ฐ๐ฌ: Practice SQL queries and Python coding challenges on Hackerrank & LeetCode. Strengthening your problem-solving skills will prepare you for interviews.
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๐—œ๐—บ๐—ฝ๐—ฟ๐—ฒ๐˜€๐˜€ ๐—ฅ๐—ฒ๐—ฐ๐—ฟ๐˜‚๐—ถ๐˜๐—ฒ๐—ฟ๐˜€ ๐˜„๐—ถ๐˜๐—ต ๐—ง๐—ต๐—ฒ๐˜€๐—ฒ ๐Ÿฑ ๐—ฆ๐—ค๐—Ÿ ๐—ฃ๐—ฟ๐—ผ๐—ท๐—ฒ๐—ฐ๐˜๐˜€ ๐—ณ๐—ผ๐—ฟ ๐——๐—ฎ๐˜๐—ฎ ๐—”๐—ป๐—ฎ๐—น๐˜†๐˜๐—ถ๐—ฐ๐˜€!๐Ÿ˜

Want to land a data analytics job?

Showcase your SQL skills with real-world projects! ๐Ÿ“Š

๐‹๐ข๐ง๐ค๐Ÿ‘‡:-

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Build your portfolio & stand out in job applications! Start todayโœ…๏ธ
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Free Datasets to practice data science projects

1. Enron Email Dataset

Data Link: https://www.cs.cmu.edu/~enron/

2. Chatbot Intents Dataset

Data Link: https://github.com/katanaml/katana-assistant/blob/master/mlbackend/intents.json

3. Flickr 30k Dataset

Data Link: https://www.kaggle.com/hsankesara/flickr-image-dataset

4. Parkinson Dataset

Data Link: https://archive.ics.uci.edu/ml/datasets/parkinsons

5. Iris Dataset

Data Link: https://archive.ics.uci.edu/ml/datasets/Iris

6. ImageNet dataset

Data Link: https://www.image-net.org/

7. Mall Customers Dataset

Data Link: https://www.kaggle.com/shwetabh123/mall-customers

8. Google Trends Data Portal

Data Link: https://trends.google.com/trends/

9. The Boston Housing Dataset

Data Link: https://www.cs.toronto.edu/~delve/data/boston/bostonDetail.html

10. Uber Pickups Dataset

Data Link: https://www.kaggle.com/fivethirtyeight/uber-pickups-in-new-york-city

11. Recommender Systems Dataset

Data Link: https://cseweb.ucsd.edu/~jmcauley/datasets.html

Source Code: https://bit.ly/37iBDEp

12. UCI Spambase Dataset

Data Link: https://archive.ics.uci.edu/ml/datasets/Spambase

13. GTSRB (German traffic sign recognition benchmark) Dataset

Data Link: https://benchmark.ini.rub.de/?section=gtsrb&subsection=dataset

Source Code: https://bit.ly/39taSyH

14. Cityscapes Dataset

Data Link: https://www.cityscapes-dataset.com/

15. Kinetics Dataset

Data Link: https://deepmind.com/research/open-source/kinetics

16. IMDB-Wiki dataset

Data Link: https://data.vision.ee.ethz.ch/cvl/rrothe/imdb-wiki/


17. Color Detection Dataset

Data Link: https://github.com/codebrainz/color-names/blob/master/output/colors.csv


18. Urban Sound 8K dataset

Data Link: https://urbansounddataset.weebly.com/urbansound8k.html

19. Librispeech Dataset

Data Link: https://www.openslr.org/12

20. Breast Histopathology Images Dataset

Data Link: https://www.kaggle.com/paultimothymooney/breast-histopathology-images

21. Youtube 8M Dataset

Data Link: https://research.google.com/youtube8m/

Join for more -> https://t.iss.one/dataportfolio

ENJOY LEARNING ๐Ÿ‘๐Ÿ‘
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๐—œ๐—•๐—  ๐—™๐—ฅ๐—˜๐—˜ ๐—–๐—ฒ๐—ฟ๐˜๐—ถ๐—ณ๐—ถ๐—ฐ๐—ฎ๐˜๐—ถ๐—ผ๐—ป ๐—–๐—ผ๐˜‚๐—ฟ๐˜€๐—ฒ๐˜€ ๐Ÿ˜

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Machine Learning types
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๐—•๐—ฒ๐˜€๐˜ ๐—ฃ๐˜†๐˜๐—ต๐—ผ๐—ป ๐—™๐—ฅ๐—˜๐—˜ ๐—–๐—ฒ๐—ฟ๐˜๐—ถ๐—ณ๐—ถ๐—ฐ๐—ฎ๐˜๐—ถ๐—ผ๐—ป ๐—–๐—ผ๐˜‚๐—ฟ๐˜€๐—ฒ๐˜€๐Ÿ˜

Python is one of the most in-demand programming languages, used in data science, AI, web development, and automation.

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Complete Data Analytics Mastery: From Basics to Advanced ๐Ÿš€

Begin your Data Analytics journey by mastering the fundamentals:
- Understanding Data Types and Formats
- Basics of Exploratory Data Analysis (EDA)
- Introduction to Data Cleaning Techniques
- Statistical Foundations for Data Analytics
- Data Visualization Essentials

Grasp these essentials in just a week to build a solid foundation in data analytics.

Once you're comfortable, dive into intermediate topics:
- Advanced Data Visualization (using tools like Tableau)
- Hypothesis Testing and A/B Testing
- Regression Analysis
- Time Series Analysis for Analytics
- SQL for Data Analytics

Take another week to solidify these skills and enhance your ability to draw meaningful insights from data.

Ready for the advanced level? Explore cutting-edge concepts:
- Machine Learning for Data Analytics
- Predictive Analytics
- Big Data Analytics (Hadoop, Spark)
- Advanced Statistical Methods (Multivariate Analysis)
- Data Ethics and Privacy in Analytics

These advanced concepts can be mastered in a couple of weeks with focused study and practice.

Remember, mastery comes with hands-on experience:
- Work on a simple data analytics project
- Tackle an intermediate-level analysis task
- Challenge yourself with an advanced analytics project involving real-world data sets

Consistent practice and application of analytics techniques are the keys to becoming a data analytics pro.

Best platforms to learn:
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- Udacity's Data Analyst Nanodegree
- Intro to Data Visualisation
- SQL courses with Certificate
- Freecodecamp Python Course
- 365DataScience
- Data Analyst Resume Checklist
- SQL FREE Resources

Share your progress and insights with others in the data analytics community. Enjoy the fascinating journey into the realm of data analytics! ๐Ÿ‘ฉโ€๐Ÿ’ป๐Ÿ‘จโ€๐Ÿ’ป

Join @free4unow_backup for more free resources.

Like this post if it helps ๐Ÿ˜„โค๏ธ

ENJOY LEARNING ๐Ÿ‘๐Ÿ‘
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๐Ÿฑ ๐—™๐—ฟ๐—ฒ๐—ฒ ๐—–๐—ผ๐˜‚๐—ฟ๐˜€๐—ฒ๐˜€ ๐˜๐—ผ ๐—ž๐—ถ๐—ฐ๐—ธ๐˜€๐˜๐—ฎ๐—ฟ๐˜ ๐—ฌ๐—ผ๐˜‚๐—ฟ ๐——๐—ฎ๐˜๐—ฎ ๐—”๐—ป๐—ฎ๐—น๐˜†๐˜๐—ถ๐—ฐ๐˜€ ๐—–๐—ฎ๐—ฟ๐—ฒ๐—ฒ๐—ฟ ๐—ถ๐—ป ๐Ÿฎ๐Ÿฌ๐Ÿฎ๐Ÿฑ๐Ÿ˜

Looking to break into data analytics but donโ€™t know where to start?๐Ÿ‘‹

๐Ÿš€ The demand for data professionals is skyrocketing in 2025, & ๐˜†๐—ผ๐˜‚ ๐—ฑ๐—ผ๐—ปโ€™๐˜ ๐—ป๐—ฒ๐—ฒ๐—ฑ ๐—ฎ ๐—ฑ๐—ฒ๐—ด๐—ฟ๐—ฒ๐—ฒ ๐˜๐—ผ ๐—ด๐—ฒ๐˜ ๐˜€๐˜๐—ฎ๐—ฟ๐˜๐—ฒ๐—ฑ!๐Ÿšจ

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In a data science project, using multiple scalers can be beneficial when dealing with features that have different scales or distributions. Scaling is important in machine learning to ensure that all features contribute equally to the model training process and to prevent certain features from dominating others.

Here are some scenarios where using multiple scalers can be helpful in a data science project:

1. Standardization vs. Normalization: Standardization (scaling features to have a mean of 0 and a standard deviation of 1) and normalization (scaling features to a range between 0 and 1) are two common scaling techniques. Depending on the distribution of your data, you may choose to apply different scalers to different features.

2. RobustScaler vs. MinMaxScaler: RobustScaler is a good choice when dealing with outliers, as it scales the data based on percentiles rather than the mean and standard deviation. MinMaxScaler, on the other hand, scales the data to a specific range. Using both scalers can be beneficial when dealing with mixed types of data.

3. Feature engineering: In feature engineering, you may create new features that have different scales than the original features. In such cases, applying different scalers to different sets of features can help maintain consistency in the scaling process.

4. Pipeline flexibility: By using multiple scalers within a preprocessing pipeline, you can experiment with different scaling techniques and easily switch between them to see which one works best for your data.

5. Domain-specific considerations: Certain domains may require specific scaling techniques based on the nature of the data. For example, in image processing tasks, pixel values are often scaled differently than numerical features.

When using multiple scalers in a data science project, it's important to evaluate the impact of scaling on the model performance through cross-validation or other evaluation methods. Try experimenting with different scaling techniques to you find the optimal approach for your specific dataset and machine learning model.
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๐—š๐—ผ๐—ผ๐—ด๐—น๐—ฒโ€™๐˜€ ๐—™๐—ฅ๐—˜๐—˜ ๐— ๐—ฎ๐—ฐ๐—ต๐—ถ๐—ป๐—ฒ ๐—Ÿ๐—ฒ๐—ฎ๐—ฟ๐—ป๐—ถ๐—ป๐—ด ๐—–๐—ฒ๐—ฟ๐˜๐—ถ๐—ณ๐—ถ๐—ฐ๐—ฎ๐˜๐—ถ๐—ผ๐—ป ๐—–๐—ผ๐˜‚๐—ฟ๐˜€๐—ฒ๐Ÿ˜

Whether you want to become an AI Engineer, Data Scientist, or ML Researcher, this course gives you the foundational skills to start your journey.

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Want to practice for your next interview?

Then use this prompt and ask Chat GPT to act as an interviewer ๐Ÿ˜„๐Ÿ‘‡ (Tap to copy)

I want you to act as an interviewer. I will be the
candidate and you will ask me the
interview questions for the position position. I
want you to only reply as the interviewer.
Do not write all the conservation at once. I
want you to only do the interview with me.
Ask me the questions and wait for my answers.
Do not write explanations. Ask me the
questions one by one like an interviewer does
and wait for my answers. My first
sentence is "Hi"


Now see how it goes. All the best for your preparation
Like this post if you need more content like this๐Ÿ‘โค๏ธ
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๐—Ÿ๐—ฒ๐—ฎ๐—ฟ๐—ป ๐—”๐—œ, ๐——๐—ฒ๐˜€๐—ถ๐—ด๐—ป & ๐—ฃ๐—ฟ๐—ผ๐—ท๐—ฒ๐—ฐ๐˜ ๐— ๐—ฎ๐—ป๐—ฎ๐—ด๐—ฒ๐—บ๐—ฒ๐—ป๐˜ ๐—ณ๐—ผ๐—ฟ ๐—™๐—ฅ๐—˜๐—˜!๐Ÿ˜

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