If you're looking for more help and practice with R, here are some additional resources:
The "swirl" project provides interactive tutorials on R inside of R. Learn more and try it out!
- Video 1: Introduction to RStudio
- Video 2: Functions and Objects
- Video 3: Vectors
- Video 4: Indexing
- Video 5: Importing a Dataset
- Video 6: Indexing a Data Frame
- Video 7: Displaying Univariate Data
- Video 8: Histograms for Different Groups
- Video 9: Univariate Descriptive Statistics
- Video 22: Boxplots
- Video 10: Scatterplots
- Video 11: Correlation
- Video 12: Table Proportions
- Video 13: Grouped Bar Chart
- Video 14: Linear Models
- Video 15: Exponential and Logistic Models
- Video 16: Sampling Distributions
- Video 17: One Sample t-Test
- Video 18: Paired t-test
- Video 19: Independent t-test
Quick-R provides walkthroughs of common tasks in R.