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This function calculates performance metrics for a regression result object, including R-squared, Root Mean Squared Error (RMSE), and Spearman correlation.

Usage

# S3 method for regression_result
performance(x, split_list, ...)

Arguments

x

A regression_result object.

split_list

Split results by indexed sub-groups (not supported for regression analyses yet).

...

extra args (not used).

Value

A named vector with the calculated performance metrics: R-squared, RMSE, and Spearman correlation.

Details

The function calculates the following performance metrics for the given regression result object: - R-squared: proportion of variance in the observed data that is predictable from the fitted model. - RMSE: root mean squared error, a measure of the differences between predicted and observed values. - Spearman correlation: a measure of the monotonic relationship between predicted and observed values.