Set union of different 'datetime' columns

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Spacey
Spacey 2015-3-20
回答： Spacey 2015-3-24
Hello guys,
I got a dataset in excel which I imported as a table. There are a plenty of parameters in it with each parameter has its own time column. I also selected all time columns as datetime-variables.
My goal now is to bring all the time columns together in order to have one time column and a plenty of parameter columns that are still on their refering time point. Plotting of this modified dataset would be way nicer than before.
How do I achieve this goal?
Thank you for your help in advance!
Kind regards, Spacey

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采纳的回答

Guillaume
Guillaume 2015-3-20
If understood correctly, you have several columns which are datetime and you want to regroup them in just one column.
In that case, use stack.

更多回答（1 个）

Spacey
Spacey 2015-3-24
That helped! Thanks a lot!

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