Function 'subsindex' is not defined for values of class 'datetime'.
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I have a simplest possible csv file but still cannot plot(test.X,test.Y) with the above message. Please advise.
6 Comments
Walter Roberson
on 12 Jun 2018
If you do wish to use the dates as the X axis, then which MATLAB release are you using?
Stephen23
on 13 Jun 2018
See also earlier question and discussion:
Answers (2)
Walter Roberson
on 12 Jun 2018
With sufficiently new MATLAB:
T = readtable('test.csv');
plot(T.X, T.Y)
5 Comments
Matt Dickson
on 13 Jun 2018
It's not because people may confuse it with 1609, as you said, but because the plot as you showed would simply show the year as "9", not "09". Hence, if you want the date with a normal year format with the year at the bottom and not part of each tick mark, you do need to add 2000 to each year.
Walter Roberson
on 13 Jun 2018
Ah, I had never noticed the XRuler.SecondaryLabel for datetime plots before. And the appropriate code all appears to be built-in, so I can't poke through it :(
OCDER
on 12 Jun 2018
FID = fopen('test.csv');
Data = textscan(FID, '%D%f', 'Delimiter', ',', 'Headerlines', 1);
fclose(FID);
Data{1}.Year = Data{1}.Year + 2000; %Assuming you want 2009, etc.
plot(Data{1}, Data{2})
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