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

In rlist: A Toolbox for Non-Tabular Data Manipulation

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)

Example output

   p1    p2    p3 
FALSE  TRUE  TRUE 
   p1    p2    p3 
 TRUE  TRUE FALSE 

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