Row lens

Create a lens into a set of rows

rows_l(rows, drop = FALSE)

Arguments

rows	the rows to focus on
drop	whether or not to drop dimensions with length 1

Examples

x <- matrix(1:4, ncol = 2)
rownames(x) <- c("first", "second")
x
#>        [,1] [,2]
#> first     1    3
#> second    2    4

view(x, rows_l(1))
#>       [,1] [,2]
#> first    1    3
view(x, rows_l("second"))
#>        [,1] [,2]
#> second    2    4
set(x, rows_l(1), c(20,40))
#>        [,1] [,2]
#> first    20   40
#> second    2    4