select_spc_vars: Select every n-th spectral variable for all spectra and...

In philipp-baumann/simplerspec: Soil and plant spectroscopic model building and prediction

Select every n-th spectral variable for all spectra and x-values in spectral tibble (spc_tbl)

Description

Select every n-th spectral variable for all spectra and x-values in spectral tibble (spc_tbl)

Usage

select_spc_vars(
  spc_tbl,
  lcol_spc = "spc_pre",
  lcol_xvalues = "xvalues_pre",
  every = NULL
)

Arguments

spc_tbl	Tibble data.frame containing spectra in list-column
lcol_spc	List-column containing spectra, specified with column name as symbols or 1L character vector.
lcol_xvalues	List-column containing x-values, specified with column name as symbols or 1L character vector.
every	Every n-th spectral positions to keep as 1L integer vector.

Value

a spectral tibble

philipp-baumann/simplerspec documentation built on Oct. 3, 2023, 12:13 p.m.