One Hot Encoding of vector

One Hot Encoding of vector

onehot(x)

Arguments

x	vector with D possible categorical values (will be coerced to factor)

Value

matrix with D columns and same number of columns as length of x

Examples

onehot(1:5)
#>   as.factor(x)1 as.factor(x)2 as.factor(x)3 as.factor(x)4 as.factor(x)5
#> 1             1             0             0             0             0
#> 2             0             1             0             0             0
#> 3             0             0             1             0             0
#> 4             0             0             0             1             0
#> 5             0             0             0             0             1
#> attr(,"assign")
#> [1] 1 1 1 1 1
#> attr(,"contrasts")
#> attr(,"contrasts")$`as.factor(x)`
#> [1] "contr.treatment"
#>