Aside from removing the deprecated limit and method arguments, can you make what is in series.pyi for Series.replace() have arguments that correspond (and tests)? pandas-stubs/core/frame.pyi ) = ..., value: (
>>>importpandasaspd>>>df=pd.DataFrame([["a",1], ["b",2]],columns=["ab","num"])>>>dfabnum0a11b2>>>df.replace({"a":"foo",2:20})abnum0foo11b20 it's not a great idea to be mixing types in one statement. With the stubs, I try to support "normal" usage of pandas. ...
0.6.5 正式支持了 Python 3.9,使用 Python 3.9 可以直接使用 pip install pymars==0.6.5 安装对应版本。 API 层面,DataFrame 支持了 index 的索引操作,DataFrame、Series 和 DataFrameGroupBy 支持了 sample 来做采样,在支持 sample 的过程中,Mars 团队发现 pandas 的两个 bug,且我们都提了 PR 进行了修复(链接...
Updates pandas/core/frame.py to preserve column names in empty DataFrames when nrows == 0. Changed from return Cls() to return Cls(columns=columns). Changes Made Modified if nrows == 0 in core/frame.py. Added test in tests/frame/test_constructors.py. Testing Added test case for empty ...
{i} of data frame.") from e if set_default: newdata = pd.DataFrame(recordlist, data.index) # Add missing columns newcol = newdata.columns[~newdata.columns.isin(data.columns)] data[newcol] = None # Fill in None values with values from newdata data.update(newdata) else: return ...
Summary of Changes: Enhanced the error messaging in the .query() method for pandas DataFrames when duplicate column names are present. Prior to this change, invoking .query() on a DataFrame with d...
Description The API changes in this PR are mostly adding implementations or adding missing keyword argument (although they might not be implemented). The APIs affected are: DataFrame.insert DataFr...
…MultiIndex columns closes BUG: MultiIndex alignment solved for rows but not columns #60498 Tests added and passed if fixing a bug or adding a new feature All code checks passed. Added an entr...
_specific_columns self._preprocessors = [CheckInputDataFrame()] if self.drop_null_columns: add_step(self._preprocessors, DropNullColumn(), cols, allow_reject=True) Member jeromedockes Oct 22, 2024 we may want to insert it after CleanNullStrings? so that if the column becomes full ...
closes BUG: Concatenating dataframe and series with ignore_index = True drops the series name #60723 closes BUG: pd.concat on axis "index" has unexpected result concatenating Series and DataFrame ...