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update typos (#53)
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luweizheng authored May 16, 2024
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2 changes: 1 addition & 1 deletion ch-dask-dataframe/shuffle.ipynb
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"source": [
"## 案例分析:`groupby`\n",
"\n",
"我们以 `groupby(by=key).sum()` 为例,了解其背后的 Shuffle 过程。{numref}`fig-dataframe-groupby` 展示了计算过程,它主要有三个阶段:分组、组内聚合(比如 `sum`)、组间整合\n",
"我们以 `groupby(by=key).sum()` 为例,了解其背后的 Shuffle 过程。{numref}`fig-dataframe-groupby` 展示了计算过程,它主要有三个阶段:分组(Split)、组内聚合(Apply Aggregation,比如 `sum`)、组间聚合(Combine)\n",
"\n",
"```{figure} ../img/ch-dask-dataframe/groupby.svg\n",
"---\n",
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