Visualization and Analysis of Nominal Variable Distributions
Centered Frequency Bar Plot for Nominal Variables Creates a centered b...
Centered Dot Plot for Nominal Variables
Central Concentration Index for Nominal Variables
Dominance Index for Nominal Variables
Pareto Plot for Nominal Variables
Pielou's Evenness for Nominal Variables
Ranked Bar Plot for Nominal Variables
Ranked Dot Plot for Nominal Variables
Fit Nominal Data to Theoretical Shapes Using AIC (Safe Exponential)
Compare Observed Nominal Distribution with Theoretical Shapes
Tail Index for Nominal Variables
Provides tools for visualizing and analyzing the shape of discrete nominal frequency distributions. The package introduces centered frequency plots, in which nominal categories are ordered from the most frequent category at the center toward less frequent categories on both sides, facilitating the detection of distributional patterns such as uniformity, dominance, symmetry, skewness, and long-tail behavior. In addition, the package supports Pareto charts for the study of dominance and cumulative frequency structure in nominal data. The package is designed for exploratory data analysis and statistical teaching, offering visualizations that emphasize distributional form rather than arbitrary category ordering.