group_apply: group_apply

In kongdd/Ipaper: Collection of personal practical R functions

group_apply

Description

group_apply

Usage

group_apply(x, y, FUN = "mean", nchunk = 20, step = 0.2, brks = NULL, ...)

upper_envelope(x, y, interval = c(0.5, 0.8, 0.9, 0.95), nchunk = 50)

Arguments

FUN	function of mean or median
nchunk	split data into n chunks by setting brks = pretty(x, nchunk), and apply FUN in every group. If brks provided, step will be ignored.
step	split data into chunks byn setting brks = seq(xrange[1], xrange[2], by = step). If brks or nchunk provided, step will be ignored.
brks	a numeric vector
...	others to FUN

kongdd/Ipaper documentation built on March 27, 2024, 5:34 a.m.