我有多个(超过2个)数据框,我想要合并它们。它们都共享同一个值列:
In [431]: [x.head() for x in data]
Out[431]:
[ AvgStatisticData
DateTime
2012-10-14 14:00:00 39.335996
2012-10-14 15:00:00 40.210110
2012-10-14 16:00:00 48.282816
2012-10-14 17:00:00 40.593039
2012-10-14 18:00:00 40.952014,
AvgStatisticData
DateTime
2012-10-14 14:00:00 47.854712
2012-10-14 15:00:00 55.041512
2012-10-14 16:00:00 55.488026
2012-10-14 17:00:00 51.688483
2012-10-14 18:00:00 57.916672,
AvgStatisticData
DateTime
2012-10-14 14:00:00 54.171233
2012-10-14 15:00:00 48.718387
2012-10-14 16:00:00 59.978616
2012-10-14 17:00:00 50.984514
2012-10-14 18:00:00 54.924745,
AvgStatisticData
DateTime
2012-10-14 14:00:00 65.813114
2012-10-14 15:00:00 71.397868
2012-10-14 16:00:00 76.213973
2012-10-14 17:00:00 72.729002
2012-10-14 18:00:00 73.196415,
....etc
我读到join可以处理多个数据框,但是我出现了以下错误:
In [432]: data[0].join(data[1:])
...
Exception: Indexes have overlapping values: ['AvgStatisticData']
我尝试将rsuffix=["%i" % (i) for i in range(len(data))]
传递给join,但仍然遇到相同的错误。我可以通过以不重叠列名的方式构建data
列表来解决此问题,但也许有更好的方法?