format_summary: Format earth model summary

In earthUI: Interactive 'shiny' GUI for the 'earth' Package

Format earth model summary

Description

Extracts key statistics from a fitted earth model including coefficients, basis functions, R-squared, GCV, GRSq, and RSS.

Usage

format_summary(earth_result)

Arguments

earth_result

An object of class "earthUI_result" as returned by fit_earth().

Value

A list containing:

coefficients

Data frame of model coefficients and basis functions.

r_squared

Training R-squared.

gcv

Generalized cross-validation value.

grsq

Generalized R-squared (1 - GCV/variance).

rss

Residual sum of squares.

n_terms

Number of terms in the pruned model.

n_predictors

Number of predictors used in the final model.

n_obs

Number of observations.

cv_rsq

Cross-validated R-squared (if CV was used, else NA).

Examples

result <- fit_earth(mtcars, "mpg", c("cyl", "disp", "hp", "wt"))
summary_info <- format_summary(result)
summary_info$r_squared

earthUI documentation built on March 26, 2026, 1:07 a.m.