I have the parameters of a gamma distribution that I am trying to plot. The
parameters are shape = 2, scale = 5.390275 and the minimum value x0 is
65.44945.



Since the gamma is shifted by x0, we have



                Mean = shape*scale + x0 = 76.23







My question is, how can I do it in r?



I was trying to use dgamma function, but I saw no options to offset the
gamma distribution. I can only use the shape and scale parameters, like
this:



> x <- seq(from=0, to=100, length.out=100)



> plot(x, dgamma(x, shape=2, scale=5.390275),

     main="Gamma",type='l')



This generates a distribution with origin equal zero, but I want the origin
to be x0





How can I handle shifted gamma distribution in r?



Thanks a lot!





Rodrigo.

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