In R, categorical data is stored using the factor class. While string variables can be treated as text, converting them to factors ensures they are correctly interpreted in statistical models.
: Functions like factor() or as.factor() convert character vectors into categorical variables. Analysis of categorical data with R
: Used for analyzing associations in multi-way contingency tables. Recommended Packages In R, categorical data is stored using the factor class
Descriptive analysis focuses on summarizing frequency and distribution. Analysis of categorical data with R
Visual tools help identify patterns and relationships between categories.
: Use prop.table() on a frequency table to find proportions. Multiplying by 100 provides percentages.