how to use box plot

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pruth on 8 Nov 2015
Commented: pruth on 8 Nov 2015
hi, i have a mat file(5287*2) first column is date and time(with interval of 3 hours for years 2012 to 2015).and second column is my data (Hg concentration). i have been asked to use box plot and whiskers menthod to plot the data. i want 12 months jan to dec on x axis and y is data. to plot a simple graph i took a mean and SD of all January(2012-2013-2014-2015) months , February months(2012-2013-2014-2015) and so on for all months. so i got January mean and SD , February mean and SD and same for others months. i attached that plot here. i want same plot but using boxplot. hope u understand my question

Accepted Answer

Walter Roberson
Walter Roberson on 8 Nov 2015
timeinfo = datevec(YourData(:,1));
month_of_entry = timeinfo(:,2); %datevec second column of output is month of the year
boxplot(YourData(:,2), month_of_entry)
  1 Comment
pruth on 8 Nov 2015
hey thanks. that works.....thank you so much, i thought it would be diificult

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