R: Return a logical vector that indicates if each member of a...

list.is {rlist} | R Documentation

## Return a logical vector that indicates if each member of a list satisfies a given condition

### Description

Return a logical vector that indicates if each member of a list satisfies a given condition

### Usage

    list.is(.data, cond, use.names = TRUE)

    list.if(.data, cond, use.names = TRUE)

### Arguments

`.data` | `list`
`cond` | A logical lambda expression
`use.names` | `logical` Should the names of `.data` be kept?

### 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.is(x,type=='B')
    list.is(x,min(score$c1,score$c2) >= 8)

[Package rlist version 0.4.6.1 Index]