Author#

耿远昊,华东师范大学统计学本科,威斯康星大学麦迪逊分校统计学硕士在读,Datawhale成员,《pandas数据处理与分析》作者。pandas contributor,积极参与pandas开源社区生态建设,包括漏洞修复、功能实现与性能优化等,对pandas在数据处理与分析中的应用有丰富经验。

Contributions to pandas project#

Merged#

  • #33783 DOC: fix doc for crosstab with Categorical data input

  • #36516 DOC: Correct inconsistent description on default DateOffset setting

  • #37607 BUG: nunique not ignoring both None and np.nan

  • #37830 BUG: MultiIndex.drop does not raise if labels are partially found

  • #38029 BUG: unstack with missing levels results in incorrect index names

  • #38089 BUG: merge_ordered fails with list-like left_by or right_by

  • #38170 BUG: unexpected merge_ordered results caused by wrongly groupby

  • #38173 BUG: array-like quantile fails on column groupby

  • #38257 BUG: groupby.apply on the NaN group drops values with original axes return

  • #38408 ENH: add end and end_day origin for resample

  • #38492 BUG: CategoricalIndex.reindex fails when Index passed with labels all in category

  • #44827 PERF: faster Dataframe construction from recarray

  • #46546 BUG: pd.concat with identical key leads to multi-indexing error

  • #46654 TST: add validation checks on levels keyword from pd.concat

  • #46656 BUG: df.nsmallest get wrong results when NaN in the sorting column

  • #47605 BUG: df.groupby().resample()[[cols]] without key columns raise KeyError

  • #47685 TST: avoid sort when concat int-index Dataframes with sort=False

  • #47708 BUG: json_normalize raises boardcasting error with list-like metadata

  • #47714 BUG: df.fillna ignores axis when DataFrame is single block

  • #47717 TST: add test for groupby with dropna=False on multi-index

  • #47731 BUG: groupby.corrwith fails with axis=1 and other=df

  • #47757 BUG: wide_to_long fails when stubnames miss and i contains string column

  • #47779 PERF: efficient argmax/argmin for SparseArray

  • #47810 BUG: fix SparseArray.unique IndexError and _first_fill_value_loc algo

Mail#

1801214626@qq.com

Github#

https://github.com/GYHHAHA

WeChat#

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