Welcome to the R Language Tutorial! 🌟 R is a powerful programming language and environment for statistical computing and data analysis. Whether you're a beginner or looking to refine your skills, this guide will help you get started with R. 🧠
📌 1. Getting Started with R
- Install R: Download from R Project官网 and choose your OS.
- Run R: Use RStudio or any IDE supporting R. 💻
- Basic Syntax:
- Variables:
x <- 5
- Data Types: numeric, character, logical, etc. 🧮
- Vector:
c(1, 2, 3)
- Matrix:
matrix(data, nrow, ncol)
- Data Frame:
data.frame(column1, column2)
📊
- Variables:
🎯 2. Key Features of R
- Data Visualization: Create plots with
ggplot2
or base R graphics. 📈 - Statistical Analysis: Perform regression, hypothesis testing, etc. 📊
- Machine Learning: Use packages like
caret
orrandomForest
. 🤖 - Extensive Libraries: Over 10,000+ packages for specialized tasks. 📦
🧪 3. Practical Examples
- Example 1: Analyze a dataset using
summary()
. - Example 2: Generate a histogram with
hist()
. - Example 3: Fit a linear model with
lm()
.
📚 4. Further Learning
Explore advanced topics like data manipulation with R Data Analysis or learn about R's ecosystem. 🌐