Professional Data Scientist — From business problem to production model
A complete professional pathway for running a Data Science process from the business problem to an evaluated, deployed and monitored model.
A Data Scientist turns a business problem into an evidence-based experimental process. The role involves building reliable working datasets, formulating hypotheses, establishing baselines, developing and comparing models, measuring uncertainty and bias, and helping integrate models into products and operational processes.
This pathway covers Python, SQL, statistics, experimentation, Machine Learning, feature engineering, time series, text and embeddings, causality, deep learning, reproducibility, explainability, fairness and MLOps. The objective is to choose an appropriate modeling strategy, demonstrate both predictive performance and operational value, and contribute to deployment, monitoring and governance.
metiers_prof_data_scientist_outcome
15 courses • 150 interactive lessons • 45 to 75 hours of conversational learning
Best offer
Complete Pack — Data Scientist
399,00 € excl. VAT
Savings : 124,80 €
74,70 €
64,90 excl. VAT
Savings : 9,80 €
Problem framing and working environment
Understand the Data Scientist role, turn a business issue into a modeling problem, and set up a reproducible working environment.
Course information
Data professionals, analysts, developers and technical profiles who want to carry out Data Science projects from exploration through evaluation, deployment and model monitoring.
No advanced prerequisite. Everyday computer skills and an interest in data analysis or problem solving are sufficient to start.
- Understand the Data Scientist role and distinguish analysis, prediction, causality, and optimization
- Work with arrays and data structures using NumPy and pandas
- Visualize data with Matplotlib or Seaborn to communicate an initial reading
- Present an initial reading of the data to a business stakeholder
- Apply the course methods and tools to a representative professional situation.
- Produce a usable and verifiable outcome by combining the concepts covered: Present an initial reading of the data to a business stakeholder
- Check the quality of data, results, evidence or decisions before communication or implementation.
- Document the approach, explain limitations and defend the choices made to a professional stakeholder.
3 to 5 h
24,90 € excl. VAT
Data quality and statistical reasoning
Identify data-quality issues and use the statistical and probabilistic foundations required for a Data Science project.
Course information
Data professionals, analysts, developers and technical profiles who want to carry out Data Science projects from exploration through evaluation, deployment and model monitoring.
No advanced prerequisite. Everyday computer skills and an interest in data analysis or problem solving are sufficient to start.
- Identify missing data, outliers, measurement errors, and collection bias
- Understand covariance, correlation, and the limits of interpretation
- Understand common distributions (normal, Poisson, binomial) and their practical use
- Audit the quality of a real dataset and produce a data quality report
- Apply the course methods and tools to a representative professional situation.
- Produce a usable and verifiable outcome by combining the concepts covered: Audit the quality of a real dataset and produce a data quality report
- Check the quality of data, results, evidence or decisions before communication or implementation.
- Document the approach, explain limitations and defend the choices made to a professional stakeholder.
3 to 5 h
24,90 € excl. VAT
Experimental protocol and baseline
Build a rigorous experimental protocol and establish a first reference baseline before moving to more complex models.
Course information
Data professionals, analysts, developers and technical profiles who want to carry out Data Science projects from exploration through evaluation, deployment and model monitoring.
No advanced prerequisite. Everyday computer skills and an interest in data analysis or problem solving are sufficient to start.
- Correctly separate training, validation, and test data
- Choose an evaluation metric aligned with the business cost of errors
- Compare several naive baselines: mean, business rule, and random model
- Professional workshop: conduct a complete exploratory study and propose a modeling strategy
- Apply the course methods and tools to a representative professional situation.
- Produce a usable and verifiable outcome by combining the concepts covered: conduct a complete exploratory study and propose a modeling strategy
- Check the quality of data, results, evidence or decisions before communication or implementation.
- Document the approach, explain limitations and defend the choices made to a professional stakeholder.
3 to 5 h
24,90 € excl. VAT
89,70 €
76,90 excl. VAT
Savings : 12,80 €
Supervised learning experimentation protocol
Build a reliable supervised-learning experiment and choose a model family that supports the business decision.
Course information
Data professionals, analysts, developers and technical profiles who want to carry out Data Science projects from exploration through evaluation, deployment and model monitoring.
A working knowledge of the foundations introduced in the first courses, or equivalent practical experience, is recommended.
- Build a reproducible experimental protocol: data, transformations, baseline, metrics, and experiment log
- Compare interpretable and nonlinear model families without confusing complexity with useful performance
- Understand L1/L2 regularization for controlling model complexity
- Compare a simple model and a complex model on the same concrete business case
- Apply the course methods and tools to a representative professional situation.
- Produce a usable and verifiable outcome by combining the concepts covered: Compare a simple model and a complex model on the same concrete business case
- Check the quality of data, results, evidence or decisions before communication or implementation.
- Document the approach, explain limitations and defend the choices made to a professional stakeholder.
3 to 5 h
29,90 € excl. VAT
Data access and class imbalance management
Select a modeling strategy, access source data with SQL, and manage imbalanced classes and asymmetric error costs.
Course information
Data professionals, analysts, developers and technical profiles who want to carry out Data Science projects from exploration through evaluation, deployment and model monitoring.
A working knowledge of the foundations introduced in the first courses, or equivalent practical experience, is recommended.
- Select a modeling strategy based on volume, nonlinearity, interpretability, latency, and maintenance cost
- Choose metrics, curves, and decision thresholds based on the cost of false positives, false negatives, and abstentions
- Oversample and undersample without leakage using SMOTE and alternatives
- Document the provenance and freshness of the data used (data lineage)
- Apply the course methods and tools to a representative professional situation.
- Produce a usable and verifiable outcome by combining the concepts covered: Document the provenance and freshness of the data used (data lineage)
- Check the quality of data, results, evidence or decisions before communication or implementation.
- Document the approach, explain limitations and defend the choices made to a professional stakeholder.
3 to 5 h
29,90 € excl. VAT
Model validation and selection
Build robust validation, organize hyperparameter search, and select a final model using a defensible common protocol.
Course information
Data professionals, analysts, developers and technical profiles who want to carry out Data Science projects from exploration through evaluation, deployment and model monitoring.
A working knowledge of the foundations introduced in the first courses, or equivalent practical experience, is recommended.
- Build an appropriate validation strategy: holdout, cross-validation, groups, time, and dependencies between observations
- Compare candidates under an identical protocol and document why a simpler model may be preferable
- Measure model stability through resampling (bootstrap)
- Professional workshop: run a scoring experiment, compare several model families, and defend the final choice
- Apply the course methods and tools to a representative professional situation.
- Produce a usable and verifiable outcome by combining the concepts covered: run a scoring experiment, compare several model families, and defend the final choice
- Check the quality of data, results, evidence or decisions before communication or implementation.
- Document the approach, explain limitations and defend the choices made to a professional stakeholder.
3 to 5 h
29,90 € excl. VAT
104,70 €
89,90 excl. VAT
Savings : 14,80 €
Feature engineering and introduction to deep learning
Design useful data representations and understand when deep learning adds value compared with classical Machine Learning.
Course information
Data professionals, analysts, developers and technical profiles who want to carry out Data Science projects from exploration through evaluation, deployment and model monitoring.
A working knowledge of the foundations introduced in the first courses, or equivalent practical experience, is recommended.
- Engineer relevant features from business knowledge without introducing leakage
- Build a K-means segmentation and assess its stability
- Select features using filter, wrapper, and embedded methods
- Train a small neural network with a modern framework and diagnose convergence
- Apply the course methods and tools to a representative professional situation.
- Produce a usable and verifiable outcome by combining the concepts covered: Train a small neural network with a modern framework and diagnose convergence
- Check the quality of data, results, evidence or decisions before communication or implementation.
- Document the approach, explain limitations and defend the choices made to a professional stakeholder.
3 to 5 h
34,90 € excl. VAT
Time series and text data
Work with temporal and textual data using methods and validation strategies that respect their specific structure.
Course information
Data professionals, analysts, developers and technical profiles who want to carry out Data Science projects from exploration through evaluation, deployment and model monitoring.
You should already master the pathway foundations or have equivalent experience. Advanced courses build on methods, tools and controls introduced earlier.
- Analyze time series: trend, seasonality, autocorrelation, and structural breaks
- Establish a forecasting baseline and compare simple models before complex ones
- Handle multiple time series simultaneously with multi-series or hierarchical forecasting
- Build an end-to-end text-classification pipeline for a business case
- Apply the course methods and tools to a representative professional situation.
- Produce a usable and verifiable outcome by combining the concepts covered: Build an end-to-end text-classification pipeline for a business case
- Check the quality of data, results, evidence or decisions before communication or implementation.
- Document the approach, explain limitations and defend the choices made to a professional stakeholder.
3 to 5 h
34,90 € excl. VAT
Semantic representations, anomalies and causality
Use embeddings and anomaly detection, and distinguish prediction from causality when choosing an intervention.
Course information
Data professionals, analysts, developers and technical profiles who want to carry out Data Science projects from exploration through evaluation, deployment and model monitoring.
You should already master the pathway foundations or have equivalent experience. Advanced courses build on methods, tools and controls introduced earlier.
- Understand embeddings and their value for similarity and semantic representation
- Build an error strategy: edge cases, false positives, false negatives, and abstention
- Detect anomalies with a simple autoencoder
- Professional workshop: combine segmentation, prediction, and temporal analysis on a customer case
- Apply the course methods and tools to a representative professional situation.
- Produce a usable and verifiable outcome by combining the concepts covered: combine segmentation, prediction, and temporal analysis on a customer case
- Check the quality of data, results, evidence or decisions before communication or implementation.
- Document the approach, explain limitations and defend the choices made to a professional stakeholder.
3 to 5 h
34,90 € excl. VAT
119,70 €
101,90 excl. VAT
Savings : 17,80 €
Software engineering and ML reproducibility
Structure a Machine Learning project as testable, versioned, traceable and reproducible software.
Course information
Data professionals, analysts, developers and technical profiles who want to carry out Data Science projects from exploration through evaluation, deployment and model monitoring.
You should already master the pathway foundations or have equivalent experience. Advanced courses build on methods, tools and controls introduced earlier.
- Structure ML project code into testable, reproducible modules
- Build an automated, rerunnable training pipeline
- Set up continuous integration for a Machine Learning project
- Review a peer’s code and provide constructive feedback on an ML pipeline
- Apply the course methods and tools to a representative professional situation.
- Produce a usable and verifiable outcome by combining the concepts covered: Review a peer’s code and provide constructive feedback on an ML pipeline
- Check the quality of data, results, evidence or decisions before communication or implementation.
- Document the approach, explain limitations and defend the choices made to a professional stakeholder.
3 to 5 h
39,90 € excl. VAT
Data reliability, explainability and fairness
Prevent training-serving discrepancies, explain model behavior, and assess fairness across relevant populations.
Course information
Data professionals, analysts, developers and technical profiles who want to carry out Data Science projects from exploration through evaluation, deployment and model monitoring.
You should already master the pathway foundations or have equivalent experience. Advanced courses build on methods, tools and controls introduced earlier.
- Validate schemas, prevent train–serve skew, and understand the role of a feature store
- Evaluate bias and performance across relevant subpopulations
- Compare LIME- and SHAP-style local explanations on the same case and interpret divergences
- Design non-regression tests for model quality and fairness
- Apply the course methods and tools to a representative professional situation.
- Produce a usable and verifiable outcome by combining the concepts covered: Design non-regression tests for model quality and fairness
- Check the quality of data, results, evidence or decisions before communication or implementation.
- Document the approach, explain limitations and defend the choices made to a professional stakeholder.
3 to 5 h
39,90 € excl. VAT
Deployment and model lifecycle
Deploy a scoring service and manage monitoring, retraining, rollback and model lifecycle in production.
Course information
Data professionals, analysts, developers and technical profiles who want to carry out Data Science projects from exploration through evaluation, deployment and model monitoring.
You should already master the pathway foundations or have equivalent experience. Advanced courses build on methods, tools and controls introduced earlier.
- Containerize or package a reproducible scoring service
- Define retraining, rollback, and validation rules before promotion
- Build actionable alerts instead of a passive dashboard
- Professional workshop: industrialize a model from experimentation through monitoring
- Apply the course methods and tools to a representative professional situation.
- Produce a usable and verifiable outcome by combining the concepts covered: industrialize a model from experimentation through monitoring
- Check the quality of data, results, evidence or decisions before communication or implementation.
- Document the approach, explain limitations and defend the choices made to a professional stakeholder.
3 to 5 h
39,90 € excl. VAT
135,00 €
114,90 excl. VAT
Savings : 20,10 €
Strategic framing and business value
Decide whether a problem truly requires Machine Learning and build the business case for a Data Science product.
Course information
Data professionals, analysts, developers and technical profiles who want to carry out Data Science projects from exploration through evaluation, deployment and model monitoring.
You should already master the pathway foundations or have equivalent experience. Advanced courses build on methods, tools and controls introduced earlier.
- Determine whether a problem truly warrants Machine Learning
- Choose between full automation, assisted recommendation, and human-in-the-loop operation
- Estimate the total cost of ownership of a Machine Learning product
- Anticipate ML project failure scenarios and their consequences
- Apply the course methods and tools to a representative professional situation.
- Produce a usable and verifiable outcome by combining the concepts covered: Anticipate ML project failure scenarios and their consequences
- Check the quality of data, results, evidence or decisions before communication or implementation.
- Document the approach, explain limitations and defend the choices made to a professional stakeholder.
3 to 5 h
45,00 € excl. VAT
Governance, ethics and documentation
Govern data and models, manage ethical and compliance risks, and document limits, responsibilities and authorized uses.
Course information
Data professionals, analysts, developers and technical profiles who want to carry out Data Science projects from exploration through evaluation, deployment and model monitoring.
You should already master the pathway foundations or have equivalent experience. Advanced courses build on methods, tools and controls introduced earlier.
- Build a production experimentation protocol and compare it with the current situation
- Document a model: scope, data, performance, limitations, prohibited uses, and dependencies
- Anonymize or pseudonymize sensitive data without destroying predictive value
- Draft a responsible AI usage charter for a Data Science team
- Apply the course methods and tools to a representative professional situation.
- Produce a usable and verifiable outcome by combining the concepts covered: Draft a responsible AI usage charter for a Data Science team
- Check the quality of data, results, evidence or decisions before communication or implementation.
- Document the approach, explain limitations and defend the choices made to a professional stakeholder.
3 to 5 h
45,00 € excl. VAT
Continuity, generative AI and executive communication
Secure the continuity of an ML product, integrate foundation models appropriately, and present the work to technical and business stakeholders.
Course information
Data professionals, analysts, developers and technical profiles who want to carry out Data Science projects from exploration through evaluation, deployment and model monitoring.
You should already master the pathway foundations or have equivalent experience. Advanced courses build on methods, tools and controls introduced earlier.
- Design a continuity plan: model failure, fallback, shutdown, and recovery
- Build an ML project portfolio with evidence of method, evaluation, and impact
- Secure foundation-model usage against prompt injection and data leakage
- Final project: design, deliver, and defend a complete ML product with a production-readiness dossier
- Apply the course methods and tools to a representative professional situation.
- Produce a usable and verifiable outcome by combining the concepts covered: design, deliver, and defend a complete ML product with a production-readiness dossier
- Check the quality of data, results, evidence or decisions before communication or implementation.
- Document the approach, explain limitations and defend the choices made to a professional stakeholder.
3 to 5 h
45,00 € excl. VAT