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🌳 SKILL TREE

Data Science & AI

Master Python, statistics, machine learning, model evaluation, storytelling, and end-to-end data science portfolio projects.

16Skills
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🎯

Python, Math, and Data Analysis

CORE

Complete the Python, Math, and Data Analysis branches before moving ahead.

📘

Python for Data Science

CORE

Use Python, notebooks, Pandas, NumPy, Matplotlib, Seaborn, environments, and clean project structure.

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Statistics and Probability

CORE

Learn distributions, sampling, hypothesis testing, confidence intervals, correlation, regression, and experiment design.

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Exploratory Data Analysis

CORE

Profile datasets, handle missing values, find outliers, visualize trends, and write useful analysis notes.

🏆

Project: UCI Machine Learning Repository

⚡ ADV

Analyze a public dataset, clean it, visualize key patterns, and publish a short notebook with business insights.

🎯

Machine Learning Core

CORE

Complete the Machine Learning Core branches before moving ahead.

📘

Supervised Learning

CORE

Train regression and classification models, split data correctly, tune hyperparameters, and compare baselines.

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Unsupervised Learning

⚡ ADV

Use clustering, dimensionality reduction, anomaly detection, embeddings, and similarity search for discovery tasks.

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Practice: Model Evaluation Drill

⚡ ADV

Compare three models on the same dataset, inspect errors, check leakage, and explain metric tradeoffs.

🏆

Project: Prediction Model Notebook

⚡ ADV

Build a baseline and improved model, document preprocessing, evaluate fairly, and write recommendations.

🎯

Feature Engineering, Deep Learning, and AI

CORE

Complete the Feature Engineering, Deep Learning, and AI branches before moving ahead.

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Feature Engineering

CORE

Create numeric, categorical, text, time, and aggregate features while avoiding leakage and unstable signals.

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Deep Learning Basics

⚡ ADV

Understand neural networks, tensors, training loops, overfitting, embeddings, transfer learning, and GPU workflows.

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Responsible AI and Explainability

⚡ ADV

Check fairness, drift, interpretability, privacy, documentation, and when not to use a model.

🏆

Project: Explainable ML Report

⚡ ADV

Train a model, explain top drivers, test subgroup performance, and write a non-technical model risk summary.

🎯

Portfolio and Production Readiness

CORE

Complete the Portfolio and Production Readiness branches before moving ahead.

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MLOps Basics

⚡ ADV

Track experiments, version data, package models, serve predictions, monitor drift, and document model lifecycle decisions.

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Data Storytelling and Stakeholder Communication

CORE

Turn analysis into clear recommendations, visuals, assumptions, limitations, and next actions.

📘

Project: End-to-End Data Science Portfolio

⚡ ADV

Publish a complete project with dataset, EDA, model, evaluation, explainability, deployment demo, and README.

🏆

Project: Deployed ML Demo

⚡ ADV

Create a simple model API or Streamlit app with tracked experiments, clean README, and a short project write-up.