๐ŸŽ“ COMPLETE DATA SCIENCE CURRICULUM

๐Ÿ“Š Data Science Course Hub

From zero programming knowledge to building real machine learning models. Every concept explained like you're 5 years old!

๐Ÿ“ˆ Course Progress

90% Complete

Python, Data Structures, Math, Statistics, Linear & Logistic Regression, Decision Trees, Deep Learning, NLP, and A/B Testing are ready!

๐Ÿ“ฅ Download Course Datasets

Every lesson that uses data has a dataset you can download. Save the file in the same folder as your script or notebook so pd.read_csv("filename.csv") works.

View & download all datasets Pro

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Module 1: Python Basics

Start here if you've never programmed before! Learn variables, data types, strings, loops, and conditions.

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Module 2: Math for Data Science

Don't worry, we make math easy! Learn mean, median, variance, percentiles, and normalization.

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Module 3: Statistics

Statistics is just asking questions about data! Learn normal distribution, correlation, Chi-Square, and T-Tests.

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Module 4: Machine Learning Basics

Your first ML algorithms! Linear & Logistic Regression, kNN, and Support Vector Machines.

Linear Regression (Predict Numbers)Pro
In this lesson
    Bias, Variance & Gradient DescentPro
    In this lesson
      Logistic Regression (Classification)Pro
      In this lesson
        k-Nearest Neighbors (kNN)Pro
        In this lesson
        • Classify by voting among K nearest neighbors
        • Distance metrics, scaling, choosing K
        • Full Python walkthrough
        Support Vector Machines (SVM)Pro
        In this lesson
        • Maximum margin classifier with kernel trick
        • Hard vs soft margin, C and gamma tuning
        • Complete Python walkthrough with GridSearchCV
        SVM Code Walkthrough (Line by Line)Pro
        In this lesson
        • Bank customer churn prediction with SVM
        • EDA, feature engineering, scaling
        • GridSearchCV with interactive heatmap
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        Module 5: Advanced ML

        Decision Trees, Random Forests, Boosting algorithms, and Feature Engineering techniques.

        Decision Trees & Random ForestsPro
        In this lesson
          Random Forest Code Walkthrough (Car Evaluation)Pro
          In this lesson
            Boosting (XGBoost, AdaBoost)Pro
            In this lesson
              Feature Engineering (Intro below)
              What youโ€™ll learn
              • Creating new columns from existing ones (e.g. ratios, bins, interactions)
              • When and why it improves models
              ๐Ÿ“Œ Feature Engineering in one sentence: It means building new, useful inputs (features) from your raw dataโ€”e.g. "revenue per visit" from revenue and visits, or binning age into groupsโ€”so the model has better signals to learn from. Full lesson coming soon.
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              Module 6: Clustering & Unsupervised

              Find patterns without labels! K-Means, Hierarchical Clustering, and PCA dimensionality reduction.

              Clustering (K-Means, DBSCAN, Hierarchical)Pro
              In this lesson
                K-Means Code Walkthrough (Line by Line)Pro
                In this lesson
                • Every line of the K-Means notebook explained
                • Hotel Reservations dataset
                • Scaling, encoding, elbow method
                PCA (Principal Component Analysis) (Intro below)
                What youโ€™ll learn
                • Reducing many columns to fewer โ€œsummaryโ€ columns
                • When to use it (visualization, noise reduction)
                ๐Ÿ“Œ PCA in one sentence: PCA finds a small set of new โ€œsummaryโ€ directions (principal components) that capture most of the variation in your dataโ€”so you can reduce 100 columns to a few for visualization or faster modeling, with minimal information loss. Full lesson coming soon.
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                Module 7: Deep Learning

                Neural Networks, CNNs for images, and introduction to TensorFlow/Keras.

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                Module 8: Natural Language Processing

                Work with text data! Tokenization, TF-IDF, Sentiment Analysis, and more.

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                Module 9: Applied Data Science

                Real-world applications: A/B Testing, Market Basket Analysis, Time Series.

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                Module 10: Deployment & Advanced

                Explainable AI, Gen AI intro, and deployment concepts (AWS, ML project structure).