rlist (version 0.4.6.2)

list.mapv: Map each member of a list by an expression to a vector.

Description

Map each member of a list by an expression to a vector.

Usage

list.mapv(.data, expr, as, use.names = TRUE)

Arguments

.data

a list or vector

expr

a lambda expression

as

the mode to corece. Missing to unlist the mapped results.

use.names

Should the names of the results be preserved?

Value

A vector in which each element is mapped by expr in .data

See Also

list.map

Examples

# NOT RUN {
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.mapv(x, type)
list.mapv(x, min(score$c1,score$c2))
# }