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Generate spatio-temporal cross-validation index (leave-block-location-time-out)

Source: R/generate_index.R
generate_cv_index_lblto.Rd

Generate spatio-temporal cross-validation index (leave-block-location-time-out)

Usage

generate_cv_index_lblto(covars, sp_fold, t_fold, blocks, block_id = NULL)

Arguments

covars

data.frame-like object with lon, lat, and time columns. See prep_input for details.

sp_fold

integer(1). Number of subfolds for spatial blocks.

t_fold

integer(1). Number of subfolds for temporal blocks.

blocks

integer(2)/sf/SpatVector object.

block_id

character(1). The unique identifier of each block.

Value

An integer vector.

Details

The maximum of results is sp_fold * t_fold.

Author

Insang Song