MATLAB Answers

Plotting datetime from dataset

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Kassidy Rose Sharits
Kassidy Rose Sharits on 5 Jun 2020
Edited: per isakson on 5 Jun 2020
I have a two-column data set that I would like to plot. The data I would like to plot on the x-axis is datetime in the format yyyy-MM-dd refer to attached picture). What to I need to do to be able to plot the dates? I have not been able to find how to change them all into the correct format altogether, is this possible?

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Answers (1)

per isakson
per isakson on 5 Jun 2020
Edited: per isakson on 5 Jun 2020
You may specify the format of the time axis in the plot command. See the documentation of plot()
%% Create some data that resambles your image
vec = zeros( 14, 3 );
vec(:,1) = 2010;
vec(:,2) = 1;
vec(:,3) = reshape([1:14],[],1);
y = randi([30,36],14,1);
DT = datetime( vec );
%%
lh = plot( DT, y, 'd', 'DatetimeTickFormat','yyyy-MM-dd' );

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