list.any: Examine if a condition is true for at least one list element

In rlist: A Toolbox for Non-Tabular Data Manipulation

Description

Examine if a condition is true for at least one list element

Usage

list.any(.data, cond, na.rm = FALSE)

Arguments

.data	A list or vector
cond	A logical lambda expression
na.rm	logical. If true NA values are ignored in the evaluation.

Value

TRUE if cond is evaluated to be TRUE for any element in .data.

See Also

list.all

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.any(x,type=='B')
list.any(x,mean(unlist(score))>=6)
list.any(x, score$c2 > 8 || score$c3 > 5, na.rm = TRUE)
list.any(x, score$c2 > 8 || score$c3 > 5, na.rm = FALSE)

Example output

[1] TRUE
[1] TRUE
[1] TRUE
[1] TRUE

rlist documentation built on Sept. 5, 2021, 5:30 p.m.