Boxplots for groups of data
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I am trying to plot some boxplots using the grouping variable but I am having little success so far. Perhaps someone can point me into the right direction.
I have
X = zeros(10,4); X(:,1) = rand(10,1); X(:,2) = rand(10,1); X(:,3) = rand(10,1); X(:,4) = rand(10,1);
boxplot(X);
which produces one box plots for each column of X. That works.
Now I want to group the boxplots such that group 1 consists of the first to columns of X and group 2 of the last 2 columns of X.
How can I do that?
The man page says "Grouping variables must have one row per element of X, or one row per column of X." but when I do that I get an error saying: "X must be a vector when there is a grouping variable."
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Answers (1)
Star Strider
on 17 Apr 2014
X = rand(10,4)
Z = reshape(X,[],2)
then use Z as your data matrix.
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