drop_user_cols: Drop user columns

In photobiology: Photobiological Calculations

Drop user columns

Description

Remove from spectral object additional columns that are user defined.

Usage

drop_user_cols(x, keep.also, ...)

## Default S3 method:
drop_user_cols(x, keep.also = NULL, ...)

## S3 method for class 'generic_spct'
drop_user_cols(x, keep.also, ...)

## S3 method for class 'source_spct'
drop_user_cols(x, keep.also = NULL, ...)

## S3 method for class 'response_spct'
drop_user_cols(x, keep.also = NULL, ...)

## S3 method for class 'object_spct'
drop_user_cols(x, keep.also = NULL, ...)

## S3 method for class 'filter_spct'
drop_user_cols(x, keep.also = NULL, ...)

## S3 method for class 'reflector_spct'
drop_user_cols(x, keep.also = NULL, ...)

## S3 method for class 'solute_spct'
drop_user_cols(x, keep.also = NULL, ...)

## S3 method for class 'chroma_spct'
drop_user_cols(x, keep.also = NULL, ...)

## S3 method for class 'calibration_spct'
drop_user_cols(x, keep.also = NULL, ...)

## S3 method for class 'cps_spct'
drop_user_cols(x, keep.also = NULL, ...)

## S3 method for class 'raw_spct'
drop_user_cols(x, keep.also = NULL, ...)

## S3 method for class 'generic_mspct'
drop_user_cols(x, keep.also = NULL, ...)

Arguments

x	An R object
keep.also	character Additionlal columns to preserve.
...	needed to allow derivation.

Value

A copy of x possibly with some columns removed.

Methods (by class)

• drop_user_cols(default):

• drop_user_cols(generic_spct):

• drop_user_cols(source_spct):

• drop_user_cols(response_spct):

• drop_user_cols(object_spct):

• drop_user_cols(filter_spct):

• drop_user_cols(reflector_spct):

• drop_user_cols(solute_spct):

• drop_user_cols(chroma_spct):

• drop_user_cols(calibration_spct):

• drop_user_cols(cps_spct):

• drop_user_cols(raw_spct):

• drop_user_cols(generic_mspct):

See Also

Other experimental utility functions: collect2mspct(), thin_wl(), uncollect2spct()

photobiology documentation built on June 8, 2025, 10:14 a.m.