Data Science

Data Science Courses

Data Science is the field of turning raw data into meaningful insights and intelligent decisions. In this category, you'll learn how to collect, process, analyze, visualize, and model data using tools like Python, SQL, machine learning, and BI platforms — preparing you for real-world data-driven challenges.

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A/B Test DesignAI Ethics Fundamentals AI Transparency AwarenessARIMA ModelingAccountability in AI Activation Function AnalysisActive Learning FundamentalsAdaptive AlgorithmsAdvanced ARIMA TechniquesAdvanced Ensemble IntegrationAdvanced Text CleaningAdversarial Training ConceptsAlgorithm Evaluation and ComparisonAlignment and Generalization RisksAnalyzing GAN Training ChallengesAnomaly detection evaluation Applied Calibration WorkflowsApplying RNNs to NLP tasks (sentiment analysis) Approximate InferenceApproximate ReasoningApproximation TheoryArrow Data ModelArtificial immune systemsAttention Mechanisms TheoryAutomated Search with scikit-learnAutoregressive GenerationBackward Difference CodingBagging and Random ForestsBayes' TheoremBayesian NetworksBayesian OptimizationBernoulli DistributionBias–Variance Trade-offs in High DimensionsBias–Variance TradeoffBoosting AlgorithmsCalibration Metrics (ECE, MCE, Brier Score)CatBoost ModelingCatastrophic Forgetting AnalysisCategorical Feature HandlingChain-of-Thought Prompting Chi-Square AnalysisClassification Loss AnalysisClassification metrics (Accuracy, Precision, Recall, F1, ROC–AUC) Cloud Compute PatternsCloud Data Science WorkflowsCloud Mental ModelsCloud Networking ConceptsCloud Storage ArchitecturesClustering evaluation (Silhouette, Davies–Bouldin, Calinski–Harabasz) Clustering fundamentals and algorithms Coefficient VisualizationColumnar Data RepresentationCommittee-Based QueryingCompactness and ConvergenceCompression Trade-off ReasoningConcentration of MeasureConditional IndependenceConjugate PriorsContinual Learning TheoryContinuity and BoundednessConvergence TheoryConvex AnalysisConvolutional Neural NetworksCoordinate Reference SystemsCorrelation AnalysisCovariance and eigen decomposition Critical Analysis of NTK LimitationsCross-validation techniquesCurse of DimensionalityDBSCAN: noise handling and irregular shapes Data Access PatternsData Cleaning Data InteroperabilityData Leakage PreventionData PreprocessingData Preprocessing with TransformersData Privacy Concepts Data StorytellingData Transformation Data Visualization with matplotlib and seabornData normalization and distance metrics Deduplication AlgorithmsDegrees of TruthDensity-Weighted SamplingDeployment Best PracticesDescriptive StatisticsDiffusion Model TheoryDiffusion Models Dimensionality reduction Dimensionality reduction evaluation Distance CollapseDistributional Analysis of Neural NetworksDocument Chunking and IndexingDocument ClusteringDocument Similarity MeasuresDrift Detection FundamentalsDynamic Programming MethodsEffective DocumentationEmpirical Risk MinimizationEncoding Leakage PreventionEnd-to-end model development and evaluationEnsemble Learning FundamentalsEntropy and CompressionEntropy and Rate–Distortion AnalysisEstimator IntrospectionEthical AI PrinciplesEthical Decision-Making Evaluation Metrics for Generative AIEvaluation Under Distribution ShiftEvolutionary optimization Experiment Tracking with MLflowExperimental Data PreparationExplainable AI FundamentalsExploratory Data AnalysisExponential Family UnderstandingExpressivity of Neural NetworksFailure Analysis in RAGFailure Mode DiagnosisFairness and Bias Analysis Fairness in MLFeature Encoding Feature Engineering Feature Engineering for TSFeature ScalingFeature Scaling Feature Selection Feature Selection MethodsFew-Shot Prompting Fine-tuning Pre-trained ModelsForecast Evaluation MetricsForecasting StrategiesFormal Preference ModelingFunctional Analysis FoundationsFunctional Analysis in MLFunctions & SetsFuzzy If–Then RulesFuzzy Inference SystemsFuzzy Logical OperatorsFuzzy Matching in PythonFuzzy SetsGAN FundamentalsGANs Gaussian DistributionGaussian Mixture Models: probabilistic clusteringGaussian Process CorrespondenceGeneralization BoundsGeneralization in Learning TheoryGenerative AI Generative Model ConnectionsGenetic algorithms Geometric Implications for ML AlgorithmsGeometric InterpretabilityGeometric Intuition in High DimensionsGeospatial Data FundamentalsGeospatial VisualizationGradient Boosting for TSGradient DescentGradient Descent Graph Embedding IntuitionGraph LaplaciansGraph Representation in PythonGraph Theory for MLGraphSAGE ConceptsGymnasium BasicsHandling missing and categorical data Helmert CodingHierarchical clustering and dendrograms High-Cardinality Feature EncodingHigh-Dimensional Data InterpretationHigh-Dimensional Geometry IntuitionHigh-Dimensional Statistical TheoryHilbert Spaces in LearningHistogram BinningHybrid Rule-Based SystemsHyperparameter TuningHyperparameter Tuning FundamentalsHypothesis TestingIdentity and Access ManagementImage Processing with OpenCVImplementing recurrent networks in PyTorchImplicit Bias in Machine LearningImplicit Regularization in Deep NetworksImportance SamplingIn-Context Learning TheoryInductive BiasInductive Bias ReasoningInfinite-Width Neural Network TheoryInformation Bottleneck and MDLInformation Theory BasicsInformation Theory in NLPInformation-Theoretic LossesIntegrals Interpreting Generalization BoundsIsolation Forest ImplementationIsotonic RegressionJupyter Notebook ProficiencyK-Means: principles and cluster optimization Kernel MethodsKernel Regression DynamicsKernel-based RegularizationKnowledge Distillation TheoryKnowledge Graph Embedding ModelsKnowledge Graph FundamentalsKnowledge Integration in LLMsKolmogorov–Smirnov TestL1, L2, and Elastic Net RegularizationLLM Failure ModesLabel Efficiency TechniquesLarge-Width Limit TheoryLatent Space GeometryLatent Space ReasoningLayer-wise Representation AnalysisLearning Curve AnalysisLeave-One-Out EncodingLightGBM ModelingLikelihood vs ProbabilityLimits & Derivatives Limits of LLM GeneralizationLinear Algebra FoundationsLinear Algebra for Deep LearningLinear Regression with PythonLinear Transformations Link PredictionLocal Outlier Factor AnalysisLogistic RegressionLoss Function Selection and ComparisonLow-Rank Matrix IntuitionMLOps FundamentalsMachine Learning with scikit-learnManifold IntuitionManual Search MethodsMarkov Chain Monte CarloMarkov Chains in Generative ModelingMarkov Random FieldsMathematical Formulation of GANsMathematical Foundations of AttentionMathematical Foundations of Loss FunctionsMathematical OptimizationMatrix Decomposition Maximum-Margin SolutionsMean Field Theory in Neural NetworksMean-CenteringMembership FunctionsMinimum-Norm SolutionsMissing Value Imputation Model BlendingModel Deployment with FastAPI and DockerModel Evaluation and DiagnosticsModel Evaluation and GeneralizationModel InterpretabilityModel InterpretationModel Monitoring and CI/CDModel RegularizationModel Scaling ConceptsModel Selection UtilitiesModel Training and EvaluationModel-Based Drift DetectionMomentum MethodsMonitoring Model DegradationMonte Carlo IntuitionMonte Carlo TechniquesMulti-Armed Bandit AlgorithmsMulti-Head Attention ConceptsMultinomial DistributionMultivariate AnalysisNatural Language HandlingNatural Language ProcessingNeural Network Architecture AnalysisNeural Network Compression TheoryNeural Network TheoryNeural NetworksNeural Tangent Kernel FormalismNeuroevolutionNode ClassificationNormalization (L1, L2, Max)Normed and Banach SpacesNull Handling in ArrowODE Formulations in Generative ModelsObject Detection ApproachesOffline vs Online Evaluation ReasoningOne-Class SVM for Novelty DetectionOperator TheoryOptimization Constraints in Fine-TuningOptimization Dynamics in RLHFOptimization in Neural NetworksOutlier Detection Outlier Detection FundamentalsOverfitting and RegularizationPAC Generalization BoundsPEFT Deployment ReasoningPEFT TheoryPGM Inference and LearningParameter Space GeometryParticle swarm optimizationPattern MiningPipeline Automation with AirflowPipeline BuildingPipeline CompositionPipeline ConstructionPlatt ScalingPolynomial CodingPopulation Stability IndexPositional Encoding ConceptsPositive Definite KernelsPreprocessing PipelinesPrincipal Component Analysis TheoryPrincipal component analysis (PCA) Probabilistic Graphical ModelsProbabilistic Model CalibrationProbability DistributionsProbability Distributions IntuitionProbability Rules Probability in Loss FunctionsProcessing time series and sequential dataPrompt Engineering Fundamentals Prompt EvaluationPrompt Refinement Prompt-Based GeneralizationPyArrow API UsagePyTorch BasicsPython Classification ModelsPython Data StructuresPython ProgrammingQuantization and Pruning MathematicsRAG Evaluation MetricsRAG Pipeline ArchitectureRAG System Design PatternsRIPPER AlgorithmRKHS FoundationsRademacher ComplexityRandom Walks on GraphsReasoning over Knowledge GraphsRecord Linkage TechniquesRegression Loss AnalysisRegression metrics (MSE, RMSE, MAE, R²) Regularization and Inductive BiasRegulatory AwarenessReinforcement Learning FoundationsReliability DiagramsRepresenter TheoremReproducibility in ML WorkflowsReproducible Analysis HabitsReproducing PropertyResponsible AI Frameworks Retrieval-Augmented Generation FundamentalsReward Model TheoryRisk Minimization TheoryRobust Model AssessmentRole and Context Prompting Rule PruningRule Quality MetricsRule-Based ModelingRuleFit AlgorithmSampling StrategiesSampling Strategies in MLScore MatchingSelf-Attention IntuitionSelf-Attention MechanismSemantic Directions in LLMsSemantic Retrieval ConceptsSeries Analysis Serverless and Event-Driven DesignSimilarity Scoring for GraphsSparsity and Effective DimensionalitySpatial Joins and OverlaysSpatial OperationsSpectral Graph TheorySpectral TheoryStability–Plasticity Trade-OffsStandardizationStatistical Anomaly DetectionStatistical Drift MetricsStatistical InterpretationStatistical Measures Stochastic Differential Equations (SDEs)Stochastic OptimizationStress Testing ML ModelsStructured Output Design Subword Tokenization AlgorithmsSwarm intelligenceTF-IDF WeightingTemporal ValidationTemporal-Difference LearningTensorFlow BasicsTheoretical Deep Learning InsightsTheoretical Foundations of Zero-Shot GeneralizationTheoretical Limits of LearningTheoretical OverfittingTime Series AnalysisTime Series WindowingTokenization TheoryTrade-off Analysis in Model DesignTraining Dynamics in Mean Field RegimesTransfer Learning FundamentalsTransfer Learning in CVTransfer Learning in NLPTransformer Architecture TheoryTransformer Architecture UnderstandingTransformers Transparency Principles Tree-Based ForecastingTriple Scoring FunctionsUncertainty-Based QueryingUnderstanding GAN VariantsUnderstanding RNNs, LSTMs, and GRUsUnderstanding Representation CollapseUniform ConvergenceVAEs VC DimensionVariational Inference & ELBOVector Search TheoryVector Space ModelingVector and Raster Data HandlingVectors & Matrices Vocabulary OptimizationWeight-of-Evidence EncodingWhitening and DecorrelationWorkflow AutomationXAI Methods and ConceptsXGBoost Modelingscikit-learn API Usagescikit-learn Active Learning Implementationt-Norms and t-Conormst-test and z-test Application

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Courses

Browse Data Science courses and projects

Level

Type of lesson

Technologies

PyTorch Essentials

3 hours

20 chapters

Advanced

1 STUDYING NOW

Acquired skills: PyTorch Basics, Neural Networks, Model Training and Evaluation

Exploratory Data Analysis with Python

2 hours

18 chapters

Beginner

4 STUDYING NOW

Acquired skills: Exploratory Data Analysis, Descriptive Statistics, Data Visualization with matplotlib and seaborn, Correlation Analysis, Multivariate Analysis, Data Storytelling

Loss Functions in Machine Learning

2 hours

15 chapters

Intermediate

Acquired skills: Mathematical Foundations of Loss Functions, Risk Minimization Theory, Regression Loss Analysis, Classification Loss Analysis, Information-Theoretic Losses, Loss Function Selection and Comparison

Evaluation Metrics in Machine Learning with Python

2 hours

16 chapters

Intermediate

1 STUDYING NOW

Acquired skills: Classification metrics (Accuracy, Precision, Recall, F1, ROC–AUC) , Regression metrics (MSE, RMSE, MAE, R²) , Clustering evaluation (Silhouette, Davies–Bouldin, Calinski–Harabasz) , Dimensionality reduction evaluation , Anomaly detection evaluation , Cross-validation techniques

Feature Encoding Methods in Python

1 hour

9 chapters

Intermediate

Acquired skills: Weight-of-Evidence Encoding, Leave-One-Out Encoding, Helmert Coding, Backward Difference Coding, Polynomial Coding, High-Cardinality Feature Encoding, Encoding Leakage Prevention

Feature Selection and Regularization Techniques in Python

1 hour

12 chapters

Beginner

1 STUDYING NOW

Acquired skills: Overfitting and Regularization, L1, L2, and Elastic Net Regularization, Feature Selection Methods, Pipeline Construction, Hyperparameter Tuning, Coefficient Visualization

Optimization Methods in Machine Learning in Python

2 hours

18 chapters

Beginner

1 STUDYING NOW

Acquired skills: Mathematical Optimization, Gradient Descent, Convex Analysis, Stochastic Optimization, Momentum Methods, Adaptive Algorithms, Convergence Theory

Advanced Tree-Based Models with Python

1 hour

9 chapters

Intermediate

Acquired skills: CatBoost Modeling, XGBoost Modeling, LightGBM Modeling, Model Regularization, Categorical Feature Handling, Model Interpretation, Model Blending, Deployment Best Practices

Bio-Inspired Algorithms with Python

1 hour

16 chapters

Beginner

Acquired skills: Evolutionary optimization , Swarm intelligence, Genetic algorithms , Particle swarm optimization, Artificial immune systems, Neuroevolution

Hyperparameter Tuning Basics with Python

1 hour

11 chapters

Beginner

Acquired skills: Hyperparameter Tuning Fundamentals, Manual Search Methods, Automated Search with scikit-learn, Bayesian Optimization, Model Evaluation and Generalization

AI Ethics 101

1 hour

12 chapters

Beginner

Acquired skills: AI Ethics Fundamentals , Ethical Decision-Making , Fairness and Bias Analysis , Transparency Principles , Accountability in AI , Data Privacy Concepts , Responsible AI Frameworks , Regulatory Awareness

Apache Arrow and PyArrow for Data Scientists

2 hours

12 chapters

Advanced

1 STUDYING NOW

Acquired skills: Columnar Data Representation, Arrow Data Model, PyArrow API Usage, Data Interoperability, Null Handling in Arrow

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Codefinity

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Video content

Downloadable materials

Esteemed certificates

Interactive learning environment

Error correction

AI assistant

Access to all content with one subscription

Career opportunitiesLearn about the most popular professions, average salaries, and companies actively seeking specialists in this field.

Data Scientist

Big Data Analyst

NLP Engineer

Deep Learning Engineer

AI Researcher

$149k

$197k

$246k

Min

Average

Max

Annual salary

(Average in the US)

Hiring companies

*Source: Glassdoor

Chosen by students of top schools

Including 30 out of top-30 U.S. colleges

Data Science Courses: Key Info and Questions

Introduction to Data Science Courses

We have plenty of courses for any aspect of data science, including data visualization (like "Ultimate visualization with Python"), data manipulation with Python (like "Ultimate NumPy" or "Advanced Techniques in pandas"), SQL (like "Introduction to SQL") and machine learning (like "ML Introduction with scikit-learn" or "Introduction to Neural Networks").

Benefits of our Data Science courses

We are providing our clients with comprehensive curriculum, hands-on experience and expert instructors.

Career opportunities after completion of Data Science courses

After completing data science course you potentially can start career at variety of data-driven positions, including data scientist, data analyst, machine learning analyst, business intelligence analyst, data engineer etc.

Data Science Options

We have plenty of courses for any aspect of data science, including data visualization(like "Ultimate visualization with Python"), data manipulation with Python (like "Ultimate NumPy" or "Advanced Techniques in pandas"), SQL (like "Introduction to SQL") and machine learning (like "ML Introduction with scikit-learn" or "Introduction to Neural Networks").

Certificate Information

After completing any of our data science related courses, you will receive a certificate that validates your skills and knowledge in data science.

How to Choose the Suitable Data Science Course?

Choose a data science course based on your current skill level and career goals. If you're new, start with beginner-friendly courses covering Python, data analysis, and visualization. For those with experience, look for courses focused on machine learning, deep learning, or AI-assisted workflows. Prioritize hands-on projects, real datasets, and tools like Jupyter, Pandas, or ChatGPT-based assistants to ensure practical, industry-relevant learning.

Which course is best in the category of Data Science Courses?

We have a plenty of good courses, related to data science field, among which we can highlight "Advanced Techniques in pandas", "Ultimate Visualization with Python" and "ML Introduction with scikit-learn".

Why should I consider taking an online Data Science course with your company?

We are providing our clients with comprehensive curriculum, hands-on experience and expert instructors.

Tips for successful Data Science course completion

You need to stay organized, learn actively and practice regulary.

What is the Cost of Training for Data Science Courses?

We offer flexible pricing options. Our Pro Plan starts at $49 per month or $99 for three months, with savings on our Pro Annual Plan at $144. Our Ultimate Plan is $59 per month, $147 for three months, or $299 annually. Each plan includes access to expert-crafted content, interactive challenges, and certification.

Which Data Science Course is Best Suited for Beginners?

For beginners good options may be "Introduction to SQL" and "Pandas First Steps".

What are the key skills required to excel in Data Science?

To succeed in data science, you need a mix of technical and analytical skills. Key areas include Python or R programming, data wrangling with tools like Pandas, statistical thinking, and the ability to draw insights from data. Experience with machine learning libraries, data visualization tools, and SQL is also essential. Additionally, critical thinking, communication, and familiarity with AI-assisted tools can significantly boost your efficiency and decision-making.

How does Data Science compare to Machine Learning?

Data Science focuses on the entire process of working with data, while machine learning is a subset of data science that specifically deals with developing and applying algorithms that allow computers to learn from and make predictions based on data.

What impact does Data Science have on the industry?

Data Science drives innovation and efficiency across various industries by providing actionable insights, improving decision-making, and optimizing processes. For example, it helps businesses understand market trends, customer behavior, and operational efficiency.

Is a data science course difficult?

The difficulty level can vary depending on your background and the course's complexity. Courses that offer hands-on practice and support can make the learning process more manageable. Basic understanding of statistics and programming can help ease the difficulty.

What degree do you need for data science?

While a specific degree is not always required, many data scientists hold degrees in fields such as Computer Science, Statistics, Mathematics, or Engineering. Some positions may require advanced degrees or specialized certifications, but practical experience and skills can also be highly valuable.

1.	Introduction to Neural Networks with Python	4 hours	25 chapters
2.	Introduction to Machine Learning with Python	4 hours	32 chapters
3.	Introduction to NLP with Python	5 hours	29 chapters
4.	Introduction to TensorFlow	2 hours	16 chapters
5.	Linear Regression with Python	2 hours	19 chapters