tests/testthat/_snaps/sample_loo.md

In proximetricsR: Spectral Preprocessing and Chemometric Calibration of NIR Sensors

Leave-one-out CV is correct without groups

Code
  loo_sample$hold_in
Output
          [,1] [,2] [,3] [,4] [,5]
  index_1    2    1    1    1    1
  index_2    3    3    2    2    2
  index_3    4    4    4    3    3
  index_4    5    5    5    5    4

Leave-one-out CV is correct with groups

Code
  loo_sample
Output
  $hold_in
          [,1] [,2] [,3]
  index_1    2    1    1
  index_2    3    3    2
  index_3    4    4    5
  index_4    6    5    7
  index_5    9    6    8
  index_6   11    7    9
  index_7   12    8   10
  index_8   NA   10   11
  index_9   NA   12   NA

  $hold_out
          [,1] [,2] [,3]
  index_1    1    2    3
  index_2    5    9    4
  index_3    7   11    6
  index_4    8   NA   12
  index_5   10   NA   NA

proximetricsR documentation built on Sept. 4, 2026, 5:08 p.m.