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The difference that I found in applying Durbin-Watson test in "car" and "lmtest" is the latter only works for testing NH: rho = 0 versus AH: rho > 0. C. Joseph Lu Department of Statistics National Cheng-Kung University Tainan, Taiwan...
As kindly pointed out by Mr. Rossini, "You would do better asking on the ESS list." I am very sorry to bother R-users with this! Please ignore my earlier post, since I don't know how to delete it...
Dear Prof. Ripley, Extremely sorry for my ignorance on the new function expm1() that affects pweibull() in some cases! Since I am not using C for a long time that also makes me to ignore the news/changes that involving...
Dear R-users, I just can't find the data set "sales" and "production" used in the documentation: "An Introduction to R". "sales" first appears on page 59 in > fm <- glm(y ~ x1 + x2, family = gaussian, data = sales) "production" first...
In rw1050, I found that > pweibull(3:10, 2) [1] 0.9998766 0.9999999 1.0000000 1.0000000 NaN NaN [7] NaN NaN Warning message: NaNs produced in: pweibull(q, shape, scale, lower.tail, log.p) more surprisingly, > pweibull(3...
Please allow me to add just a little more about this: nothing wrong with pweibull(), namely, the two cases I reported: pweibull(3:10, 2) and pweibull(3:10, 2.1), in rw1041 and earlier version. I wonder this might...
Dear R and ESS users, I got the following error when trying to load a source file (smart.R in directory E:\R\) into XEmacs through the menu iESS and "Load source file": Error in file(file, "r") : unable to...
Dear Prof. Fox, Thanks very much for providing such a great setup for Windows users to use ESS + XEmacs! This shall not only speed up the productivity of programming and using R, but also extremely attractive to potential users, particularly...
Dear R-users, The numerical integration example given in Gentleman and Ihaka (2000), "Lexical Scope and Statistical Computing," JCGS, 9, 491-508, is very interesting and helpful in understanding how lexical scope is about. However, I got some questions that...
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