✅ Useful Resources to Learn Machine Learning in 2025 🤖📘

1. YouTube Channels
• StatQuest – Simple, visual ML explanations
• Krish Naik – ML projects and interviews
• Simplilearn – Concepts + hands-on demos
• freeCodeCamp – Full ML crash courses

2. Free Courses
• Andrew Ng’s ML – Coursera (audit for free)
• Google’s ML Crash Course – Interactive + videos
• Kaggle Learn – Short, hands-on ML tutorials
• Fast.ai – Practical deep learning for coders

3. Practice Platforms
• Kaggle – Real datasets, notebooks, and competitions
• Google Colab – Run Python ML code in browser
• DrivenData – ML competitions with impact

4. Projects to Try
• House price predictor
• Stock trend classifier
• Sentiment analysis on tweets
• MNIST handwritten digit recognition
• Recommendation system

5. Key Libraries
• scikit-learn – Core ML algorithms
• pandas – Data manipulation
• matplotlib/seaborn – Visualization
• TensorFlow / PyTorch – Deep learning
• XGBoost – Advanced boosting models

6. Must-Know Concepts
• Supervised vs Unsupervised learning
• Overfitting & underfitting
• Model evaluation: Accuracy, F1, ROC
• Cross-validation
• Feature engineering

7. Books
• “Hands-On ML with Scikit-Learn & TensorFlow” – Aurélien Géron
• “Python ML” – Sebastian Raschka

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Top 10 important data science concepts

1. Data Cleaning: Data cleaning is the process of identifying and correcting or removing errors, inconsistencies, and inaccuracies in a dataset. It is a crucial step in the data science pipeline as it ensures the quality and reliability of the data.

2. Exploratory Data Analysis (EDA): EDA is the process of analyzing and visualizing data to gain insights and understand the underlying patterns and relationships. It involves techniques such as summary statistics, data visualization, and correlation analysis.

3. Feature Engineering: Feature engineering is the process of creating new features or transforming existing features in a dataset to improve the performance of machine learning models. It involves techniques such as encoding categorical variables, scaling numerical variables, and creating interaction terms.

4. Machine Learning Algorithms: Machine learning algorithms are mathematical models that learn patterns and relationships from data to make predictions or decisions. Some important machine learning algorithms include linear regression, logistic regression, decision trees, random forests, support vector machines, and neural networks.

5. Model Evaluation and Validation: Model evaluation and validation involve assessing the performance of machine learning models on unseen data. It includes techniques such as cross-validation, confusion matrix, precision, recall, F1 score, and ROC curve analysis.

6. Feature Selection: Feature selection is the process of selecting the most relevant features from a dataset to improve model performance and reduce overfitting. It involves techniques such as correlation analysis, backward elimination, forward selection, and regularization methods.

7. Dimensionality Reduction: Dimensionality reduction techniques are used to reduce the number of features in a dataset while preserving the most important information. Principal Component Analysis (PCA) and t-SNE (t-Distributed Stochastic Neighbor Embedding) are common dimensionality reduction techniques.

8. Model Optimization: Model optimization involves fine-tuning the parameters and hyperparameters of machine learning models to achieve the best performance. Techniques such as grid search, random search, and Bayesian optimization are used for model optimization.

9. Data Visualization: Data visualization is the graphical representation of data to communicate insights and patterns effectively. It involves using charts, graphs, and plots to present data in a visually appealing and understandable manner.

10. Big Data Analytics: Big data analytics refers to the process of analyzing large and complex datasets that cannot be processed using traditional data processing techniques. It involves technologies such as Hadoop, Spark, and distributed computing to extract insights from massive amounts of data.

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

Credits: https://news.1rj.ru/str/datasciencefun

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🐍 Python Roadmap

1️⃣ Basics: 📝📜 Syntax, Variables, Data Types
2️⃣ Control Flow: 🔄🤖 If-Else, Loops, Functions
3️⃣ Data Structures: 🗂️🔢 Lists, Tuples, Dictionaries, Sets
4️⃣ OOP in Python: 📦🎭 Classes, Inheritance, Decorators
5️⃣ File Handling: 📄📂 Read/Write, JSON, CSV
6️⃣ Modules & Libraries: 📦🚀 NumPy, Pandas, Matplotlib
7️⃣ Web Development: 🌍🔧 Flask, Django, FastAPI
8️⃣ Automation & Scripting: 🤖🛠️ Web Scraping, Selenium, Bash Scripting
9️⃣ Machine Learning: 🧠📈 TensorFlow, Scikit-learn, PyTorch
🔟 Projects & Practice: 📂🎯 Create apps, noscripts, and contribute to open source

Free Python Courses

Introduction to Python 3 (basics) - Learning to Program with Python 3
🎬 15 lessons
⏰ 2 hours of video + code examples and readings
📝 blogpost for each lesson
🔗 Link to course

Introduction To Python Programming
Rating ⭐️: 4.4 out of 5
Students 👨‍🏫: 824,949 students
Duration ⏰: 1hr 39min of on-demand video
Created by: Avinash Jain, The Codex
🔗 Course link

Intermediate Python Programming introduction
🎬 28 lessons
⏰ 4.5 hours of video + code examples and readings
⏰ Free Online Course
🏃‍♂️ Self paced
🔗 Link to course

Sockets Tutorial with Python 3 part 1 - sending and receiving data
🎬 5 lessons
⏰ 100 minutes of video + code examples and readings
⏰ Free Online Course
🏃‍♂️ Self paced
🔗 Link to course

Machine Learning with Python: Zero to GBMs
🎬 Watch hands-on coding-focused video tutorials
🧮 Practice coding with cloud Jupyter notebooks
💻 Build an end-to-end real-world course project
📜 Earn a verified certificate of accomplishment
📊 You will solve 2 coding assignments & build a course project where you'll train ML models using a large real-world datasets
🔗 Course Link

Introduction to Computer Science and Programming in Python
The most common starting point for MIT students with little or no programming experience. This half-semester course introduces computational concepts and basic programming.
⏰ Free Online Course
🏃‍♂️ Self paced
🎬 Lecture videos
🔗 Course link

Python for Everybody (PY4E)
by Charles R. Severance (aka Dr. Chuck)
🎬 17 sections with multiple video lessons
👨‍🏫 Prof. Dr. Charles R. Severance
✅ Completely free
🔗 Course link

The fundamentals of programming - Python Tutorial
👨‍🏫 Teacher: Annyce Davis
🎬 39 short video lessons
📊 Level: beginner
⏰ Free Online Course
🏃‍♂️ Self paced
🔗 Course link

Python course by kaggle
Learn the most important language for data science.
🎬 8 lessons
⏰ 5 hours
⏰ Free Online Course
🏃‍♂️ Self paced
🔗 Course link

Scientific Computing with Python
Author: Dr. Charles Severance (also known as Dr. Chuck).
🎬 56 lessons
💻 5 scientific projects
📜 Free certification
🔗 Link to course

Python from scratch
by University of Waterloo
🆓 Free Online Course
⏳ 13 modules
🏃‍♂️ Self paced
🔗 Course Link

Learn Python PyQt
(Python binding of the cross-platform GUI toolkit Qt, used as a Python module)
⏰ Free Online Course
🏃‍♂️ Self paced
🔗 Course link

Python for Beginners
Programming with Python
By Microsoft
Authors: Susan Ibach, GeekTrainer
🎬 44 episodes
⏰ 180 mins
🔗 Link to course

Python Programming MOOC 2022
🆓 Free Online Course
🧮 Problem Sets
⏳ 12 modules
🏃‍♂️ Self paced
📶 Assignments with Examples
🔗 Link to course

Free Python course by Datacamp
🆓 Free Online Course
🎬 video lessons
✅ Completely free
interactive code exercises
No registration or download needed:
🔗 Link to course

CS50’s Web Programming with Python by Harvard University
⏰ Free Online Course
🏃‍♂️ Self paced
🔗 Course link

Python course by Google
⏰ Free Online Course
🏃‍♂️ Self paced
No registration or download needed.
🔗 Course link

NOC:Programming, Data Structures and Algorithms using Python
⏰ Free Online Course
🏃‍♂️ Self paced
⌛️ 6 weeks
👨‍🏫 45 lectures
🔗 Link to course


Additional materials

Books
A list of Python books in English that are free to read online or download
Learn Python the Hard Way
python intro notes
An introduction to Python for absolute beginners
python programming notes
Python Data Science Handbook

Cheat sheets
Python Tutorial -> Condensed Cheatsheet
Python Programming Exercises, 2022., gently explained
python matplotlib
python panda
python basics
python seaborn
Useful Python for data science cheat sheets
python data type cheat sheet
python cheat sheets

GitHub Repositories
Machine Learning University: Accelerated Natural Language Processing Class
Hands on ML notebook series
Machine learning cheat sheet with code


#python