Compute per-group maxs

Compute per-group maxs

max_g(col, first_indices, na.rm = FALSE)

Arguments

col

vector to max
first_indices

numeric index of first index in each group
na.rm

logical if TRUE remove NAs

Value

per-group max

Examples


v <- c(2, 3, 1, 7, 5)
fi <- c(1, 1, 3, 3, 3)
max_g(v, fi)
#> [1] 3 3 7 7 7