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Plot time against numbers

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Ana Campos
Ana Campos 2023-3-28
评论： Ana Campos 2023-4-5
Hi, I have got the following lines of code:
aa = dataraw_GSR_RELAXING.CREATION_TIME(1:283)
bb = dataraw_GSR_RELAXING.VALUE(1:283)
plot(aa,bb)
aa corresponds to a column with times as is shown in the screenshot below.
bb is a column with the same size but instead of times it has numerical values.
When I try to plot the values against the time, I get a message saying 'Invalid data argument'.
Could someone please teach me how to plot this? I looked into examples from the forum and tried to reproduce but without success.
Thanks in advance for your help.

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采纳的回答

Walter Roberson
Walter Roberson 2023-3-28
aa = cell2mat(dataraw_GSR_RELAXING.CREATION_TIME(1:283));
bb = cell2mat(dataraw_GSR_RELAXING.VALUE(1:283));
plot(aa, bb)
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Peter Perkins
Peter Perkins 2023-4-5
Ana, Walter seems to have gotten you back in business, but I will just add that you may have wanted to read your data using readtimetable, not readtable. That would have put you one step closer to that plot.
Ana Campos
Ana Campos 2023-4-5
Hi Peter,
Another tip to add to the list then! Thanks for taking the time to comment too. I’ll keep that in mind for when I need it next. Cheers!

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