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使用iloc从数据框中切片多个列范围

面试问答 更新时间: 发布时间: IT归档 最新发布 模块sitemap 名妆网 法律咨询 聚返吧 英语巴士网 伯小乐 网商动力

使用iloc从数据框中切片多个列范围

您可以使用

np.r_
索引器。

class RClass(AxisConcatenator) |  Translates slice objects to concatenation along the first axis. |   |  This is a simple way to build up arrays quickly. There are two use

cases.


df = df.iloc[:, np.r_[31, 1:23, 24, 25, 26, 28, 27, 29, 30]]

df     0     1     2     3     4     5     6     7     8     9   ...     40  A  33.0  44.0  68.0  31.0   NaN  87.0  66.0   NaN  72.0  33.0  ...   71.0   B   NaN   NaN  77.0  98.0   NaN  48.0  91.0  43.0   NaN  89.0  ...   38.0   C  45.0  55.0   NaN  72.0  61.0  87.0   NaN  99.0  96.0  75.0  ...   83.0   D   NaN   NaN   NaN  58.0   NaN  97.0  64.0  49.0  52.0  45.0  ...   63.0     41    42    43    44    45    46    47    48    49  A   NaN  87.0  31.0  50.0  48.0  73.0   NaN   NaN  81.0  B  79.0  47.0  51.0  99.0  59.0   NaN  72.0  48.0   NaN  C  93.0   NaN  95.0  97.0  52.0  99.0  71.0  53.0  69.0  D   NaN  41.0   NaN   NaN  55.0  90.0   NaN   NaN  92.0out = df.iloc[:, np.r_[31, 1:23, 24, 25, 26, 28, 27, 29, 30]]out      31    1     2     3     4     5     6     7     8     9   ...     20  A  99.0  44.0  68.0  31.0   NaN  87.0  66.0   NaN  72.0  33.0  ...   66.0   B  42.0   NaN  77.0  98.0   NaN  48.0  91.0  43.0   NaN  89.0  ...    NaN   C  77.0  55.0   NaN  72.0  61.0  87.0   NaN  99.0  96.0  75.0  ...   76.0   D  95.0   NaN   NaN  58.0   NaN  97.0  64.0  49.0  52.0  45.0  ...   71.0     21    22    24    25    26    28    27    29    30  A   NaN  40.0  66.0  87.0  97.0  68.0   NaN  68.0   NaN  B  95.0   NaN  47.0  79.0  47.0   NaN  83.0  81.0  57.0  C   NaN  75.0  46.0  84.0   NaN  50.0  41.0  38.0  52.0  D   NaN  74.0  41.0  55.0  60.0   NaN   NaN  84.0   NaN


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