matrix_prep_dt function

Prepare a two-column data.table that will be used to fill values in a matrix

matrix_prep_dt(row_var_names = NULL, col_var_names = NULL)

Arguments

• row_var_names: a vector of variable names, each of which will be header of a row in the eventual matrix
• col_var_names: a vector of variable names, each of which will be header of a column in the eventual matrix

Examples

matrix_prep_dt(
  row_var_names = c("mpg", "cyl"),
  col_var_names = c("hp", "gear")
)