R: Leave-One-Out Cross-Validation

loo_cv {rsample} | R Documentation

## Leave-One-Out Cross-Validation

### Description

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 ass many resamples as rows in the original data set.

### Usage

    loo_cv(data, ...)

### Arguments

`data` | A data frame.
`...` | Not currently used.

### Value

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)

[Package rsample version 0.0.2 Index]