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pdf of two distribution in mixture

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Lakshit Chugh
Lakshit Chugh 2020-5-4
评论： Lakshit Chugh 2020-5-7
How should i get pdf of 2 mixture beta and gamma if we have given mean =2 a=4,b=7 ? i have generated random variable

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回答（1 个）

Jeff Miller
Jeff Miller 2020-5-4
the pdf of the mixture is just the weighted average of the pdfs of the beta and gamma, something like
p_beta = 0.8; % probability of beta
X = 0.1:0.01:1; % whatever X range you want
mixpdf = p_beta*betapdf(X,{beta parameters go here}) + (1-p_beta)*gampdf(X,{gamma parameters go here})
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Jeff Miller
Jeff Miller 2020-5-4
OK, X can be your random data if you want the pdf's of those random data values.
I am pretty sure that I don't really understand what you are actually trying to compute.
Lakshit Chugh
Lakshit Chugh 2020-5-7
actually i am trying to find histogram density and kernel density can you help me with that ?

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