Analysis Of Categorical Data With R May 2026

: By default, R orders levels alphabetically. For ordinal data (e.g., "Low", "Medium", "High"), you can define a specific order using the levels argument in factor() or functions in the forcats package . Descriptive Statistics

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. Analysis of categorical data with R

: Cross-tabulating two or more variables can be done with table() or the crosstab() function from the descr package . Data Visualization : By default, R orders levels alphabetically

: Standard bar plots can be created with base R's barplot() or the ggplot2 package using geom_bar() . : By default