Divide daytimes in before noon and after noon
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I'm working on a table with several variables. One of them is time of measurement in a 'yy-mm-dd hh:mm:ss' format. The measurements go over several days and I want to divide them into to groups: before noon and after noon. Right now I'm converting the dates to a string and then stringcompare them. Is there a better way? Since I think this way is unpleasent.
Thank you I advance!
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Answers (1)
Matt Sprague
on 11 Jan 2018
You could use the Hour property of the datetime class and logical indexing to extract which times are before or noon.
t1 = datetime(18,01,1,0,0,0,'Format','yy-MM-dd hh:mm:ss');
t2 = datetime(18,01,1,23,59,59,'Format','yy-MM-dd hh:mm:ss');
t = t1:hours:t2;
%
morning = t(t.Hour<12);
afternoon = t(t.Hour>=12);
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