How can I plot the multiple probability plot for weibull distribution with same shape parameter, but different scale parameter?

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ChinUk
ChinUk 2017-11-2
回答： Daniil Khakhulin 2021-12-2
Hi, I am wondering how can I plot the multiple weibull data into one big probability plot
to show that each data have weibull distribution with same shape parameter, but different scale?
suppose
A = wblrnd(1/2 1/2 [1 5]
B = wblrnd(5 1/2 [1 5])
and use probplot or wblplot command to show that this two data have similar distribution.
picture is one of examples from the minitab, and i am trying to show the similar things.
Thank you

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采纳的回答

Birdman
Birdman 2017-11-2
wblplot(A);hold on;grid on;wblplot(B)
Use hold on command.
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ChinUk
ChinUk 2017-11-2
编辑：ChinUk 2017-11-2
Thank you for your answer, but the problem is that using this command also shows estimated line with different shape parameter like below image
. Is anyway that shows that same estimated line like minitab example i showed?

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更多回答（1 个）

Daniil Khakhulin
Daniil Khakhulin 2021-12-2
Try using
probplot (y);
instead of multiple wblplots
It would look something like that
probplot ('weibull', [A B]);
Fro further info refer to https://www.mathworks.com/help/stats/probplot.html?s_tid=srchtitle_probplot_1

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