# duplicate values for one key is an error Code (expect_error(spread(df, x, y))) Output <error/rlang_error> Error in `spread()`: ! Each row of output must be identified by a unique combination of keys. i Keys are shared for 2 rows * 2, 3
Generated by dwww version 1.15 on Tue Jul 2 09:05:24 CEST 2024.