list.last | R Documentation |
Find the last element that meets a condition
list.last(.data, cond)
.data |
A |
cond |
a logical lambda expression |
list.first
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.last(x, score$c1 < 10) list.last(x, score$c1 < 9 || score$c3 >= 5) # NULL for all results are NA or FALSE
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