R

📊 R Programming Language

R is a free software environment for statistical computing, data analysis, and graphical visualization.

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📖 Key Topics

1. Basic Syntax: Vectors, lists, matrices, data frames, factors.
2. Data Manipulation (dplyr): filter(), select(), mutate(), summarise(), arrange().
3. Data Visualization (ggplot2): Geoms (lines, bars, scatters), aesthetics mappings, facets, themes.
4. Statistical Modeling: Linear regression (lm()), logistic regression (glm()), hypothesis testing, ANOVA.