Vector to lower diagonal of matrix formed from factor by factor

Formed by unique(vetor)

lower_triangle_factors(a, VarNames = c("Var1", "Var2"))

Arguments

a	vector
VarNames	character vector of length 2

Value

data.frame with two columns named according to VarNames

Details

Useful for creating heatmaps using only lower diagonal.

Examples

lower_triangle_factors(rep(1:3, 10))
#>   Var1 Var2
#> 1    2    1
#> 2    3    1
#> 3    3    2