Inspect or change MATRIX.
Examples
# Set MATRIX
x1 <-
px(population_gl) |>
px_matrix('POPULATION')
# Print MATRIX
px_matrix(x1)
#> [1] "POPULATION"
Inspect or change MATRIX.
# Set MATRIX
x1 <-
px(population_gl) |>
px_matrix('POPULATION')
# Print MATRIX
px_matrix(x1)
#> [1] "POPULATION"