index_col+0+in+python

2025-05-28 01:23:12

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index_col in read_csv and read_table ignores dtype argument...

In [1]: pd.show_versions() INSTALLED VERSIONS --- commit: None python: 2.7.9.final.0 python-bits: 64 OS: Darwin OS-release: 13.4.0 machine: x86_64 processor: i386 byteorder: little LC_ALL: None LANG: en_US.UTF-8 pandas: 0.15.2 nose: 1.3.4 Cython: None numpy: 1.9.1 scipy...
pandas read_csv index_col=None不使用每行末尾的分隔符 _NULL123

你可以使用header = none：如果index_col=None或index_col=False不工作，则index_col=0可以工作。
BUG: xl.parse index_col ignoring skiprows · Issue #50953...

python : 3.10.0.final.0 python-bits : 64 OS : Windows OS-release : 10 Version : 10.0.19044 machine : AMD64 processor : Intel64 Family 6 Model 79 Stepping 1, GenuineIntel byteorder : little LC_ALL : None LANG : en_US.UTF-8 ...
...index_col=0) data.index = pd.to_datetime(data.index) print...

<code>import pandas as pd import hvplot.pandas data = pd.read_csv('https://raw.githubusercontent.com/ChrisWalshaw/DataViz/master/Data/Products/DailySales.csv', index_col=0) data.index = pd.to_datetime(data.index) print(data.head()) selected = ['A', 'F', 'L'] plot1 = data[...
...error using read_csv with parse_dates=[...] and index_col=...

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