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R
hyperSpec

droplevels-hyperSpec-method

droplevels for hyperSpec object

Description

calls base::droplevels() on the data.frame in spc@data.

Usage

## S4 method for signature 'hyperSpec'
droplevels(x, ...)

Arguments

x

hyperSpec object
...

handed to base::droplevels.data.frame()

Value

hyperSpec object with unused levels of all factors in @data dropped.

See Also

Examples

chondro[1:3]$clusters
droplevels (chondro [1:3])$clusters
hyperSpec

Work with Hyperspectral Data, i.e. Spectra + Meta Information (Spatial, Time, Concentration, ...)

v0.100.0
GPL (>= 3)
Authors
Claudia Beleites [aut, cre, dtc] (<https://orcid.org/0000-0003-1626-154X>), Valter Sergo [aut], Alois Bonifacio [ctb, dtc], Marcel Dahms [ctb], Björn Egert [ctb], Simon Fuller [ctb], Vilmantas Gegzna [ctb], Rustam Guliev [ctb], Bryan A. Hanson [ctb], Michael Hermes [ctb], Martin Kammer [dtc], Roman Kiselev [ctb], Sebastian Mellor [ctb]
Initial release
2021-09-13

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