rlist (version 0.2.2)

list.findi: Find the indices of a number of members in a list that meet given condition

Description

Find the indices of a number of members in a list that meet given condition

Usage

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

Arguments

.data

list

cond

A logical lambda expression

n

The maximal number of members to find out

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) <= 8,2)