The following is a list of tutorials covering how-to topics on Factors category in R language. Each tutorial covers the answer for the how-to question, and a set of working examples to demonstrate the solution.

- How to Create Factors in R ?
- How to find Length of a Factor in R ?
- How to Loop over a Factor in R ?
- How to Convert Data to Factors in R ?
- How to Order Factor Levels in R ?
- How to Access Factor Levels in R ?
- How to Modify Factor Levels in R ?
- How to Reorder Factor Levels in R ?
- How to Add Levels to a Factor in R ?
- How to Drop Levels from a Factor in R ?
- How to Rename Levels of a Factor in R ?
- How to Use Factors in Data Frames in R ?
- How to Generate Summary Statistics for Factors in R ?
- How to Merge Factors in R ?
- How to Split Data by Factors in R ?
- How to Plot Factors in R ?
- How to Convert Factors to Numeric in R ?
- How to Convert Factors to Character in R ?
- How to Handle Missing Values in Factors in R ?
- How to Use Factors in Conditional Statements in R ?
- How to Compare Factors in R ?
- How to Create Ordered Factors in R ?
- How to Check if a Variable is a Factor in R ?
- How to Use Factors in Statistical Models in R ?
- How to Collapse Factor Levels in R ?
- How to Use Factors in Grouping Operations in R ?
- How to Use Factors in Aggregation Functions in R ?
- How to Deal with Unused Factor Levels in R ?
- How to Encode and Decode Factors in R ?
- How to Use Factors in Regression Analysis in R ?
- How to Convert Factors to Dates in R ?