Make n hot vector.

Make n hot vector.

nHot(x, len, out = "matrix")

Arguments

x	[integer] Which features are active?
len	[integer(1)] Length of the feature vector.
out	[character(1)] Format of the output. Can be a vector or a matrix.

Value

[matrix(1, len)] A one-row matrix with len columns with every entry 0 except the columns specified by x which are 1.

Examples

nHot(c(1, 3), 5)
#>      [,1] [,2] [,3] [,4] [,5]
#> [1,]    1    0    1    0    0
nHot(c(1, 3), 5, out = "vector")
#> [1] 1 0 1 0 0