Harvard Online
CS50's Introduction to Programming with R
Harvard's R course: representing, transforming, tidying and visualizing data.
Free certificateData Science
40 hrsBeginner
173 free courses
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Harvard Online
Fat Chance: Probability from the Ground Up
Beginner-friendly HarvardX course building probability from basic counting up to the normal distribution.
Paid certificateMathematicsSelf-pacedBeginnerIIT Madras' NPTEL course on the maths and methods behind data science, using R.
Paid certificateData Science48 hrsIntermediateIIT Kharagpur's 12-week NPTEL course on probability theory and statistical inference.
Paid certificateMathematicsSelf-pacedIntermediateKhan Academy
Statistics and Probability
Khan Academy's full free statistics course, from describing data to significance tests.
No certificateData Science60 hrsBeginnerMIT OpenCourseWare
6.0002 Introduction to Computational Thinking and Data Science
MIT's follow-on to 6.0001 on optimization, simulation, statistics and intro machine learning.
No certificateData Science60 hrsIntermediateMIT OpenCourseWare
Introduction to Probability and Statistics (18.05)
MIT undergraduate course on probability, Bayesian inference and frequentist statistics.
No certificateMathematicsSelf-pacedIntermediate