list.findi: Find the indices of a number of elements in a list or vector...
In renkun-ken/rlist: A Toolbox for Non-Tabular Data Manipulation

list.findi

R Documentation

Find the indices of a number of elements in a list or vector satisfying a given condition

Description

Find the indices of a number of elements in a list or vector satisfying a given condition

Usage

list.findi(.data, cond, n = 1L)

Arguments

`.data`	A `list` or `vector`
`cond`	A logical lambda expression
`n`	The number of items to find. (`n = 1L` by default)

Value

an integer vector consisting of the elements indices

Examples

x <- list(p1 = list(type='A',score=list(c1=10,c2=8)),
       p2 = list(type='B',score=list(c1=9,c2=9)),
       p3 = list(type='B',score=list(c1=9,c2=7)))
list.findi(x, type=='B')
list.findi(x, min(score$c1,score$c2) >= 8)
list.findi(x, min(score$c1,score$c2) <= 8, n = 2)

renkun-ken/rlist documentation built on March 16, 2023, 8:25 p.m.