R2 Course
R2 Course helps statistics professionals master R-squared, adjusted R-squared, AIC, BIC, and diagnostics while building and explaining regression models that drive better retail sales decisions and clear, data-driven recommendations.

from 4 to 360h flexible workload
certificate valid in your country
What will I learn?
The R2 Course gives you a fast, practical path to mastering linear regression, R-squared, and adjusted R-squared for real-world decision-making. You will design a realistic retail sales study, fit and compare simple and multiple models, run diagnostics, apply remedies, and create clear, reproducible reports that translate technical output into confident, data-driven recommendations for stakeholders.
Elevify advantages
Develop skills
- Master R-squared and adjusted R-squared: fast, reliable model comparison.
- Design realistic retail regression studies: select predictors and simulate data.
- Fit and interpret linear models: coefficients, fit metrics, and business impact.
- Run diagnostics and robust fixes: detect assumption breaks and stabilize R-squared.
- Communicate results to managers: clear reports, tables, and model choices.
Suggested summary
Before starting, you can change the chapters and workload. Choose which chapter to start with. Add or remove chapters. Increase or decrease the course workload.What our students say
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Course in PDF