Youssef Bastawisy

Data Science Roadmap

Your complete journey from beginner to expert. Master the essential skills and tools to become a successful Data Scientist.

5
Phases
17
Categories
40+
Topics
70+
Resources

Basics

⏱️ 2-3 Months

Programming Fundamentals

Beginner

Python Programming

Variables & Data TypesControl FlowFunctionsOOP Basics

Spreadsheet Tools

Beginner

Excel Mastery

Formulas & FunctionsPivot TablesData CleaningBasic Charts

Version Control

Beginner

Git & GitHub

Commits & BranchesPull RequestsCollaborationGitHub Pages

Descriptive Analytics

⏱️ 3-4 Months

Statistical Foundations

Intermediate

Core Statistics

Descriptive StatisticsProbability DistributionsHypothesis TestingCorrelation & Regression

Data Manipulation

Intermediate

SQL for Data Analysis

SELECT & JoinsAggregationsSubqueriesWindow Functions

Python Data Libraries

Pandas DataFramesNumPy ArraysData CleaningFeature Engineering

Data Visualization

Intermediate

BI Tools

Power BITableauDashboard DesignInteractive Reports

Python Visualization

MatplotlibSeabornPlotlyDash Apps

Predictive Analytics

⏱️ 4-6 Months

Mathematical Foundations

Intermediate

Linear Algebra

Vectors & MatricesEigenvaluesMatrix DecompositionLinear Transformations

Calculus & Optimization

DerivativesGradient DescentChain RuleOptimization Techniques

Probability Theory

Bayes TheoremDistributionsExpectationRandom Variables

Classical Machine Learning

Advanced

Supervised Learning

Linear RegressionLogistic RegressionDecision TreesRandom ForestsSVMGradient Boosting (XGBoost, LightGBM)

Unsupervised Learning

K-Means ClusteringHierarchical ClusteringPCAt-SNEDBSCAN

Model Evaluation

Cross-ValidationConfusion MatrixROC-AUCHyperparameter TuningFeature Selection

Deep Learning

Advanced

Neural Networks Fundamentals

PerceptronsBackpropagationActivation FunctionsLoss FunctionsOptimizers

CNN & Computer Vision

Convolutional LayersResNetImage ClassificationObject DetectionTransfer Learning

RNN & NLP Basics

LSTMGRUSequence ModelsText ClassificationWord Embeddings

Deep Learning Frameworks

Advanced

Framework Mastery

TensorFlow/KerasPyTorchModel BuildingCustom LayersTraining Loops

Prescriptive Analytics

⏱️ 2-3 Months

Optimization Techniques

Advanced

Mathematical Optimization

Linear ProgrammingConvex OptimizationGradient-Based MethodsConstrained Optimization

Heuristic Algorithms

Genetic AlgorithmsSimulated AnnealingParticle SwarmAnt Colony

Simulation & Modeling

Advanced

Simulation Methods

Monte CarloDiscrete Event SimulationAgent-Based ModelingSystem Dynamics

Decision Science

Advanced

Decision Analysis

Decision TreesMulti-Criteria Decision MakingRisk AnalysisGame Theory Basics

Advanced Topics & Specializations

⏱️ 4-6 Months

Natural Language Processing

Expert

Modern NLP

TransformersBERTGPT ModelsFine-tuning LLMsPrompt EngineeringRAG Systems

Text Processing

TokenizationNamed Entity RecognitionSentiment AnalysisText Generation

MLOps & Production

Expert

Model Deployment

Docker ContainersKubernetesFastAPIFlaskModel Serving

ML Pipeline

MLflowKubeflowCI/CD for MLModel MonitoringA/B Testing

Cloud Platforms

AWS SageMakerGoogle Cloud AIAzure MLServerless ML

Big Data Technologies

Expert

Distributed Computing

Apache SparkPySparkHadoop EcosystemData LakesStream Processing

Data Engineering

AirflowData PipelinesETL ProcessesData Warehousing

Specialized Domains

Expert

Computer Vision

Object DetectionImage SegmentationFace RecognitionGANs

Time Series Analysis

ARIMAProphetLSTM for Time SeriesForecasting

Reinforcement Learning

Q-LearningPolicy GradientDQNMulti-Armed Bandits

Essential Tips for Your Journey

Learning Tips

  • Practice with real-world datasets (Kaggle, UCI)
  • Build a portfolio of 3-5 solid projects
  • Contribute to open-source projects
  • Join data science communities
  • Stay updated with latest research

Essential Tools

  • Jupyter Notebook / Google Colab
  • Git & GitHub for version control
  • Docker for containerization
  • Cloud platforms (AWS, GCP, Azure)
  • Streamlit / Gradio for deployment

Ready to start your Data Science journey?
Let's build something amazing together!