[R] (no subject)

I am very new user of R project. Sir I am a research scholar. I am doing work on fitting distributions. Actually sir I want to know that what package is use to find parameters of pareto distribution by maximum likelihood method. and i want to find these parameters from my calculated data. Sir I

[R] Problem in using MASS

Dear Sir I am very new user of R project. Sir I am a research scholar. I am doing work on fitting distributions. Sir in using MASS package I am facing the following errors for my data. fitdistr(urban$x, "gamma")Error in fitdistr(urban$x, "gamma") : 'x' must be a non-empty numeric vector

[R] help

i am new user of R-language. i have problem in attachment of spss file . i have downloaded the foreign package but i have still problem in attachment. i am typing 'data=read.spss(file name.choose()). is it right or not? could you plz tell me the way for attachment? thanks