spStat_ldf: Calculate a summary statistic and return long-format data...

In GegznaV/spHelper: Extension of Package `hyperSpec` and Various Convenience Functions

Calculate a summary statistic and return long-format data frame

Description

Calculate a summary statistic of spectroscopic data in hyperSpec object and return the result as a long-format data frame.

Usage

spStat_ldf(sp, by, FUN, ..., var_names = NULL, name_if_by_is_NULL = "All Data")

Arguments

sp	hyperSpec object.
by	(string) name of grouping variable.
FUN	Function of summray statistics.
...	Arguments to be passed to FUN.
var_names	Names of summary statisticsm generated with FUN.
name_if_by_is_NULL	(string) Name of whole dataset in case by is NULL. Default is "All Data"

Value

A long-format data frame.

Examples

spStat_ldf(Spectra2, FUN = mean)

spStat_ldf(sp, "gr", FUN = quantile, probs = c(0,1),
           var_names = c("ymin","ymax"))

GegznaV/spHelper documentation built on April 16, 2023, 1:42 p.m.