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Dear All, I installed R with the commands sudo apt-get update sudo apt-get install r-base sudo apt-get install r-base-dev But when I try install.packages() to install the package rimage it does not work. Please let me know what should I do? Ys, Getulio

...R, i would like to know how MLE works. there is neither information about the distribution of v(t) nor if u(t) follows a stationary process. suppose that v(t) is normaly distributed - so we want to estimate beta(1), beta(2) and sigma2 (the variance of v(t)). thanks in advance! alexandre bonnet getulio vargas foundation, brazil [[alternative HTML version deleted]]

Dear colleagues, I have used statistical software "R" in academic research, and I find very interesting. So now I have started my studies at advanced level. I have conducted several statistical models of the type "*nls*". In respect of procedures for models of the type nls, I'd like you answer only one question that I have had doubts, related to the formula

Hello, everyone! I would like to know how to calculate the F-value and P-value for a non-linear regression: y ~ a * X^b * W^c ? Note: a, b and c are coefficients of adjustment of the equation and X and W are variables previously measured ... Someone would have any suggestions? Thanks ... [[alternative HTML version deleted]]