7.swaplevel MultiIndex总是让人头疼。然而,swaplevel 是能够使得与MultiIndex 工作更加轻松的方法之一。它的作用是简单地交换 MultiIndex 内部的索引位置。 让我们重新使用 crosstab 示例中的一些代码,并生成一个简单的聚合表。 df_agg = pd.crosstab([df["group"], df['category']], df['region']) df_agg 通...
Bug which produced AttributeError on partial matching Timestampopen in new window in a MultiIndexopen in new window (GH26944open in new window) Bug in Categoricalopen in new window and CategoricalIndexopen in new window with Intervalopen in new window values when using the in operator (__conta...
errors: 'str' = 'raise', dayfirst: 'bool' = False, yearfirst: 'bool' = False, utc: 'bool | None' = None, format: 'str | None' = None, exact: 'bool' = True, unit: 'str | None' = None, infer_datetime_format: 'bool' = False, origin='unix...
Not implemented for MultiIndex. sort_remaining : bool, default True If True and sorting by level and index is multilevel, sort by other levels too (in order) after sorting by specified level. Returns --- sorted_obj : DataFrame or None DataFrame with sorted index if inplace=False, None ot...
Unstacking when the columns are a MultiIndex is also careful about doing the right thing: In [39]: df[:3].unstack(0) Out[39]: exp A B A animal cat dog cat dog first bar baz bar baz bar baz bar baz second one 0.895717 0.410835 0.805244 0.81385 -1.206412 0.132003 2.565646 -0.827317 ...
match our codes # IntervalIndex: IntervalTree has no get_loc row = self.index.get_loc(index) return series._values[row] # For MultiIndex going through engine effectively restricts us to # same-length tuples; see test_get_set_value_no_partial_indexing loc = engine.get_loc(index)...
Flexible and powerful data analysis / manipulation library for Python, providing labeled data structures similar to R data.frame objects, statistical functions, and much more - pandas/pandas/io/formats/style.py at v1.0.5 · pandas-dev/pandas
* ``level<k>`` where `k` is the level in a MultiIndex * Blank cells include ``blank`` * Data cells include ``data`` """loader=jinja2.PackageLoader("pandas","io/formats/templates")env=jinja2.Environment(loader=loader,trim_blocks=True)template=env.get_template("html.tpl")def__init__...
Unicode repr issues in MultiIndex with non-ascii characters (GH #1010) DataFrame.lookup() returns inconsistent results if exact match not present (GH #1001) DataFrame arithmetic operations not treating None as NA (GH #992) DataFrameGroupBy.apply returns incorrect result (GH #991) ...
with tm.assert_produces_warning(FutureWarning, match=msg): exp = exp.fillna(np.nan, downcast=False) exp = exp.fillna(np.nan) tm.assert_series_equal(res, exp) # both dt64tz Expand Down 188 changes: 32 additions & 156 deletions 188 pandas/tests/frame/methods/test_replace.py Show comm...