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Is the following difference between S+ and R normal or is it a bug? Thanks. FC. PS: S+ 4.5 for Windows and R 0.63.1 for Windows. S-PLUS output: > inverse.gaussian()$deriv > function(mu) > -2/mu^3...

Does anyone have an R function for the estimation of Tobit regression models (for censored responses), as described, e.g., in Davidson, R. and MacKinnon, J.G., 1993, Section 15.7, Estimation and Inference in Econometrics, Oxford University Press? Thanks...

I am trying to install R under Red Hat Linux 5.2, but the following error happens: [root at edgeworth cribari]# rpm -ivh R-base-0.63.2-1.i386.rpm failed dependencies: libncurses.so.3.0 is needed by...

I am using the Sept. distribution of R for Windows. Question: Will future versions of R include an "l1fit" function? Thanks. FC. -- Francisco Cribari-Neto voice: +618-4535062 Assistant Professor fax: +618-4532717 Department of Economics e-mail: cribari at...

A quick question: Does anyone know when the next release of R for Windows (0.61?) will be available? Thanks. Best, FC. -- Francisco Cribari-Neto voice: +618-4535062 Assistant Professor fax: +618-4532717 Department of Economics e-mail: cribari at...

A nice free software with a GUI-interface (which can be linked to R, BTW) is GRETL: http://gretl.sourceforge.net/ . Some people may find it useful for basic stuff. Regards, Francisco. -- Francisco Cribari-Neto voice: +55-81-32718420 Departamento...

A few simple questions from a novice R user. (I am running R version 0.62.3 Beta (Sept 8, 1998) under Windows NT.) 1) How do I time the execution of a function/program in R for Windows? Is...

Two question on R for Windows (september release): 1. Is there a problem w/ the function abline? It does not seem to work for me. 2. How do I time the execution time of a fcn? Is there/Will there...

There is R code for Holt-Winters exponential smoothing in Janacek, Gareth (2000). Practical Time Series. London: Arnould Publishers. See also http://www.mth.uea.ac.uk/h200/tsbook/ It would be nice if the ts library could include this...

I am new to R and I was wondering if I could ask a few questions. (I am running R on a Windows NT box.) 1. Is the random number generator in R the same as the one in S...

I am running R 1.2.2 under Linux. When using the function stl in the ts library, how can I save the seasonal component? What I would like was something like: library(ts) data(nottem) data.stl <- stl(nottem...

I am using R version 1.0.1 both under Linux and Windows 98. A simple question: After fitting an ARIMA model, how can I plot in the same graph both the original series (solid line, say) and the fitted...

I suggest you look into the GARCH package for Ox. It is free, and quite complete. Version 2.0 just came out and includes forecasts. The available models are ARCH, GARCH, EGARCH, GJR, APARCH, IGARCH, FIGARCH, FIEGARCH and FIAPARCH. Point...

Any thoughts on the following? Am I missing something? [I am running R for Windows 0.63.1 on a Win NT 4.0 (workstation, sevice pack #4) box.] Thanks. FC. R : Copyright 1998, The R Development Core Team Version...

When I try to install the R RPM under Mandrake Linux 7.1 (intel), I get the following error: [root at edgeworth programs]# rpm -ivh R-base-1.1.1-1.i386.rpm error: failed dependencies: libreadline.so.3 is...

I have just upgraded from Red Hat Linux 5.2 to version 6.0 (with GNOME) on an intel box. I have also upgraded to the latest R version (0.64.1-2 rpm) and have also installed the corresponding...

Hi, I have a simple question regarding plots of time series. I have two time series, say ts1.ts and ts2.ts. They are both monthly. The first one ranges from 1944:2 through 1999:7 whereas the second one...

I'll be even more tangent. Those interested in Ox, see http://www.de.ufpe.br/~cribari/ox.pdf Cheers, Francisco. Date: Fri, 6 Apr 2001 09:34:19 +0100 (BST) From: Bill Simpson <wsi at gcal.ac.uk> Subject...

Does this help? Thanks a lot. Best, FC. R : Copyright 1998, The R Development Core Team Version 0.63.1 Beta (Dec 5, 1998) R is free software and comes with ABSOLUTELY NO WARRANTY. You are welcome to redistribute it...

Hi David, I hope all is well w/ you. Co-operation beetwen R and Ox would be most welcome. A possible problem lies in the fact that, although free for academic use, Ox is not open source. I too have...