From 920ef814e3b7fcecb3e4de9d4107f6e4753fe531 Mon Sep 17 00:00:00 2001 From: Andy Hayden Date: Sat, 6 Jul 2013 01:31:39 +0100 Subject: [PATCH] DOC add release note about melt columns.name default behaviour --- doc/source/release.rst | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/doc/source/release.rst b/doc/source/release.rst index 7a271688c318b..a2f2d5308ff4d 100644 --- a/doc/source/release.rst +++ b/doc/source/release.rst @@ -75,13 +75,14 @@ pandas 0.12 - Simplified the API and added a describe method to Categorical - ``melt`` now accepts the optional parameters ``var_name`` and ``value_name`` to specify custom column names of the returned DataFrame (:issue:`3649`), - thanks @hoechenberger + thanks @hoechenberger. If ``var_name`` is not specified and ``dataframe.columns.name`` + is not None, then this will be used as the ``var_name`` (:issue:`4144`). - clipboard functions use pyperclip (no dependencies on Windows, alternative dependencies offered for Linux) (:issue:`3837`). - Plotting functions now raise a ``TypeError`` before trying to plot anything if the associated objects have have a dtype of ``object`` (:issue:`1818`, - :issue:`3572`, :issue:`3911`, :issue:`3912`), but they will try to convert object arrays to - numeric arrays if possible so that you can still plot, for example, an + :issue:`3572`, :issue:`3911`, :issue:`3912`), but they will try to convert object + arrays to numeric arrays if possible so that you can still plot, for example, an object array with floats. This happens before any drawing takes place which elimnates any spurious plots from showing up. - Added Faq section on repr display options, to help users customize their setup.