search for: gradsol

Hi, P-values in Durbin-Watson test obtained through the use of functions available in packages "lmtest" and "car" are different. The difference is quite significant. function "dwtest" in "lmtest" is much faster than "burbinwatson" in "car". Actually, you can take a nap while the latter trying to calculated Durbin-Watson test. My question

Hello Uwe First, I want to thank you for spending your time replying to my mail. I'm very impressed with the speed that my question was answered. I'm new at R (about two weeks) and reading your mail made me realize that it was indeed a question of vectors of different lengths. I thinked that I could create a function ("carfun") without creating a "x" vector, since

Sir,   I am unable to get the source code for Durbin-Watson test, as I want to calculate the p-value for Durbin Watson statistic using interpolation method. I sent this mail to r-help, but it was rejected, please suggest me some way. I will be highly greatful to you. Thanks in advance Ramesh [[alternative HTML version deleted]]