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Descriptive statistics on scatter plot

3 vues (au cours des 30 derniers jours)
skyline
skyline le 25 Mai 2017
Modifié(e) : Abel Babu le 30 Mai 2017
Suppose I have a series x.
What I would like to do is:
- Draw a scatterplot of x - On the scatter plot, I would like to output the basic descriptive statistics such as *Mean *Std *# of samples

Réponses (1)

Abel Babu
Abel Babu le 30 Mai 2017
Modifié(e) : Abel Babu le 30 Mai 2017
Hi,
If your question is along the lines of adding the mean and standard deviation as annotation over the scatter plot, try the following code snippet:
x = linspace(0,3*pi,200);
y = cos(x) + rand(1,200);
scatter(x,y)
meanVal = mean(y);
stdVal = std(y);
dim = [.2 .5 .3 .3];
str = sprintf('Mean: %f\n Std: %f',meanVal,stdVal);
annotation('textbox',dim,'String',str,'FitBoxToText','on');
More about annotations can be found here: http://in.mathworks.com/help/matlab/ref/annotation.html
Abel

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