Samukweku/refactor expand grid

CHANGELOG.md

@@ -2,7 +2,7 @@
 
 ## [Unreleased]
 
-
+- [ENH] Added a `cartesian_product` function, as well as an `expand` method for pandas. - Issue #1293 @samukweku
 - [ENH] Improve `pivot_longer` when `sort_by_appearance` is True. Added `pivot_longer_spec` for more control on how the dataframe should be unpivoted. -@samukweku #1361
 - [ENH] Added `convert_excel_date` and `convert_matlab_date` methods for polars - Issue #1352
 - [ENH] Added a `complete` method for polars. - Issue #1352 @samukweku

janitor/functions/__init__.py

@@ -40,7 +40,7 @@
 from .dropnotnull import dropnotnull
 from .encode_categorical import encode_categorical
 from .expand_column import expand_column
-from .expand_grid import expand_grid
+from .expand_grid import cartesian_product, expand, expand_grid
 from .explode_index import explode_index
 from .factorize_columns import factorize_columns
 from .fill import fill_direction, fill_empty
@@ -91,6 +91,7 @@
     "add_columns",
     "also",
     "bin_numeric",
+    "cartesian_product",
     "case_when",
     "change_type",
     "change_index_dtype",
@@ -110,6 +111,7 @@
     "drop_duplicate_columns",
     "dropnotnull",
     "encode_categorical",
+    "expand",
     "expand_column",
     "expand_grid",
     "explode_index",