Select Code to Download

use Statistics::R;
use Data::Dumper;
...

print "Array:\n", Dumper($r_arr);
print "Matrix:\n", Dumper($r_mat);

Array:
$VAR1 = [
...
          'ARRAY(0x7fdbf4014b80)',
          'ARRAY(0x7fdbf4014c58)'
        ];