[R] generalized gamma distribution

[خاکیفیروز مرضیه]

To who(m) it may concern:

I'm so beginner with R , I have a data set and want to compare the Generalized gamma distribution with different 
K (gamma shape parameter) for my data, in other hand wanna to fit the gengamma distribution when K has different value for example k=1, 2, 5, 10 ,…
would you please to help me how could I do it?

Best 
Marzieh