Too many plots..too little time!!
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Kash022
am 12 Feb. 2018
Beantwortet: Image Analyst
am 12 Feb. 2018
Could anyone please explain the difference between/ when to use hist,histc, histfit,bar,barh, normplot? Suppose I have a n x 1 data points and would like to plot a normal (gaussian) distribution. What would be my best choice?
Thanks (and sorry if the question sounds stupid)
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Image Analyst
am 12 Feb. 2018
Well you can read the documentation as well as we can, but here's a very, very short version of what you'll find there. If you want to plot a histogram of your data (which may or may not be Gaussian) plotted, use histogram(). If you don't want a plot, use histcounts(). If you want the histogram plotted plus the Gaussian over it, use histfit(). If you want just the Gaussian plotted, use fitdist(). bar() and barh() can be used if you want to plot on your own, manually, with the arrays you get returned from histcounts() or histogram(). If you want some idea of how much your data matches a perfect Gaussian, use normplot().
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Jos (10584)
am 12 Feb. 2018
Bearbeitet: Jos (10584)
am 12 Feb. 2018
why don't you try histogram and use the help to improve the plot, add a fit etc.
n = 10+5*randn(1,100) ;
histogram(n)
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