loo_cv function

Leave-One-Out Cross-Validation

Leave-one-out (LOO) cross-validation uses one data point in the original set as the assessment data and all other data points as the analysis set. A LOO resampling set has as many resamples as rows in the original data set.

loo_cv(data, ...)

Arguments

• data: A data frame.
• ...: These dots are for future extensions and must be empty.

Returns

An tibble with classes loo_cv, rset, tbl_df, tbl, and data.frame. The results include a column for the data split objects and one column called id that has a character string with the resample identifier.

Examples

loo_cv(mtcars)