合并 pandas 中的两个时间序列 [英] Merging two time series in pandas
本文介绍了合并 pandas 中的两个时间序列的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
很抱歉，如果这确实记录在某处，但我很难找到它.我有两个带有一些重叠的日期/索引的TimeSeries，我想将它们合并.我假设必须指定两个系列中的哪个系列来获取重叠日期的值.为了说明，我有:
Apologies if this is obviously documented somewhere, but I'm having trouble discovering it. I have two TimeSeries with some overlapping dates/indices and I'd like to merge them. I assume I'll have to specify which of the two series to take the values from for the overlapping dates. For illustration I have:
s1:
2008-09-15 100
2008-10-15 101
s2:
2008-10-15 101.01
2008-11-15 102.02
我想要:
s3:
2008-09-15 100
2008-10-15 101
2008-11-15 102.02
或
s3:
2008-09-15 100
2008-10-15 101.01
2008-11-15 102.02
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