Dear Duncan, Thank you for tracking down the source of this error.
Best, John On Tue, 14 Jul 2015 07:22:21 -0400 Duncan Murdoch <murdoch.dun...@gmail.com> wrote: > On 13/07/2015 9:42 PM, John Fox wrote: > > Dear Duncan, > > > > On Mon, 13 Jul 2015 20:00:02 -0400 > > Duncan Murdoch <murdoch.dun...@gmail.com> wrote: > >> On 13/07/2015 7:35 PM, John Fox wrote: > >>> Dear Duncan, > >>> > >>>> -----Original Message----- > >>>> From: Duncan Murdoch [mailto:murdoch.dun...@gmail.com] > >>>> Sent: July-13-15 7:01 PM > >>>> To: John Fox; 'peter dalgaard' > >>>> Cc: r-package-devel@r-project.org > >>>> Subject: Re: [R-pkg-devel] "invalid 'envir' argument" note from R-devel > >>>> > >>>> It happened in r68597. In my example, I hadn't imported the data() > >>>> function from utils; when I did that, it was fixed. > >>>> > >>>> Not sure why the error is complaining about the envir argument. > >>> > >>> > >>> Yes, importing data works for me too! It's odd that the problem didn't > >>> show > >>> up as an undefined global symbol rather than as a note about the envir > >>> argument. (I was fixing imports from standard packages when the problem > >>> arose.) > >> > >> I'd guess that it's finding some other private function called data(); > >> that's probably worth fixing. > > > > If you mean an unexported function named data() in the Rcmdr package, then > > I'm pretty sure that there is none -- and I just checked all of the many > > uses of the word "data" in the Rcmdr sources. Of course, I may have missed > > something or, more likely, misunderstood what you're suggesting. > > I tracked it down to a bug in codetools. The "envir" it is talking > about is an argument to a different function, nothing to do with the > argument to data(). > > I've passed it on to Luke Tierney, author of codetools. > > Duncan Murdoch > > > Best, > > John > > > >> > >> Duncan > >> > >>> > >>> Thanks for tracking this down. > >>> > >>> John > >>> > >>>> > >>>> Duncan Murdoch > >>>> > >>>> On 13/07/2015 6:47 PM, John Fox wrote: > >>>>> Dear Duncan and Peter, > >>>>> > >>>>> I've just arrived at more or less the same thing: > >>>>> > >>>>> foo <- function() data(package="MASS") > >>>>> > >>>>> bar <- function() data(package="MASS", envir=.GlobalEnv) > >>>>> > >>>>> baz <- function() data(package="MASS", envir=globalenv()) > >>>>> > >>>>> all trigger the note when included with the Rcmdr sources: > >>>>> > >>>>> * checking R code for possible problems ... NOTE > >>>>> bar: Error while checking: invalid 'envir' argument > >>>>> baz: Error while checking: invalid 'envir' argument > >>>>> foo: Error while checking: invalid 'envir' argument > >>>>> > >>>>> The envir argument to data() defaults to .GlobaEnv . > >>>>> > >>>>> I hope this helps, > >>>>> John > >>>>> > >>>>>> -----Original Message----- > >>>>>> From: Duncan Murdoch [mailto:murdoch.dun...@gmail.com] > >>>>>> Sent: July-13-15 6:32 PM > >>>>>> To: John Fox; 'peter dalgaard' > >>>>>> Cc: r-package-devel@r-project.org > >>>>>> Subject: Re: [R-pkg-devel] "invalid 'envir' argument" note from R- > >>>> devel > >>>>>> > >>>>>> On 13/07/2015 5:23 PM, John Fox wrote: > >>>>>>> Dear Peter, > >>>>>>> > >>>>>>>> -----Original Message----- > >>>>>>>> From: peter dalgaard [mailto:pda...@gmail.com] > >>>>>>>> Sent: July-13-15 4:52 PM > >>>>>>>> To: John Fox > >>>>>>>> Cc: r-package-devel@r-project.org > >>>>>>>> Subject: Re: [R-pkg-devel] "invalid 'envir' argument" note from R- > >>>>>> devel > >>>>>>>> > >>>>>>>> Yes, there was a similar note from Alexandra Kuznetsova a couple of > >>>>>> days > >>>>>>> > >>>>>>> Sorry, I didn't notice that. > >>>>>>> > >>>>>>>> ago. Look unintentional, but it is not easy to spot what triggers > >>>> it. > >>>>>> If > >>>>>>>> someone could cook up a minimal example, or - maybe easier given > >>>> the > >>>>>>>> relatively short timeframe - bisect their way to the exact svn > >>>>>> revision > >>>>>>>> that triggered it, it might help in getting it fixed. > >>>>>>> > >>>>>>> I'm afraid that I'm not set up to build R-devel and I'm about to > >>>> leave > >>>>>> town > >>>>>>> for three weeks. I'll see if I can produce a simpler example > >>>>>> triggering the > >>>>>>> error, however. > >>>>>> > >>>>>> Hana Sevcikova posted a simple example. I'll bisect on it. > >>>>>> > >>>>>> Here's her example: > >>>>>> > >>>>>> e <- new.env() > >>>>>> data("mydataset", envir=e) > >>>>>> > >>>>>> I've substituted USArrests for "mydataset". > >>>>>> > >>>>>> Duncan Murdoch > >>>>>> > >>>>>>> > >>>>>>> Thanks for this, > >>>>>>> John > >>>>>>> > >>>>>>>> > >>>>>>>> -pd > >>>>>>>> > >>>>>>>>> On 13 Jul 2015, at 22:31 , John Fox <j...@mcmaster.ca> wrote: > >>>>>>>>> > >>>>>>>>> Dear list members, > >>>>>>>>> > >>>>>>>>> I'm getting a new note from R-devel that I haven't seen before > >>>> when > >>>>>>>> checking > >>>>>>>>> the development version of the Rcmdr package: > >>>>>>>>> > >>>>>>>>> * checking R code for possible problems ... NOTE > >>>>>>>>> readDataFromPackage: Error while checking: invalid 'envir' > >>>> argument > >>>>>>>>> > >>>>>>>>> This note doesn't appear in R 3.2.1. > >>>>>>>>> > >>>>>>>>> My session info: > >>>>>>>>> > >>>>>>>>> -------- snip ---------- > >>>>>>>>> > >>>>>>>>> R Under development (unstable) (2015-07-12 r68650) > >>>>>>>>> Platform: x86_64-w64-mingw32/x64 (64-bit) > >>>>>>>>> Running under: Windows 7 x64 (build 7601) Service Pack 1 > >>>>>>>>> > >>>>>>>>> locale: > >>>>>>>>> [1] LC_COLLATE=English_Canada.1252 LC_CTYPE=English_Canada.1252 > >>>>>>>>> LC_MONETARY=English_Canada.1252 > >>>>>>>>> [4] LC_NUMERIC=C LC_TIME=English_Canada.1252 > >>>>>>>>> > >>>>>>>>> attached base packages: > >>>>>>>>> [1] stats graphics grDevices utils datasets methods > >>>> base > >>>>>>>>> > >>>>>>>>> loaded via a namespace (and not attached): > >>>>>>>>> [1] tools_3.3.0 > >>>>>>>>> > >>>>>>>>> -------- snip ---------- > >>>>>>>>> > >>>>>>>>> I can't even localize the problem in readDataFromPackage(). There > >>>>>> are > >>>>>>>> only > >>>>>>>>> two places in this function where there's a function call with an > >>>>>>>> envir > >>>>>>>>> argument, and I still get the note if I comment these out. As > >>>> well, > >>>>>>>>> readDataFromPackage() seems to work as intended -- there is no > >>>>>> obvious > >>>>>>>> error > >>>>>>>>> in it. > >>>>>>>>> > >>>>>>>>> FWIW, here's readDataFromPackage(). The complete sources for the > >>>>>>>> development > >>>>>>>>> version of the Rcmdr package are on R-Forge. > >>>>>>>>> > >>>>>>>>> -------- snip ---------- > >>>>>>>>> > >>>>>>>>> readDataFromPackage <- function() { > >>>>>>>>> env <- environment() > >>>>>>>>> datasets <- NULL > >>>>>>>>> initializeDialog(title=gettextRcmdr("Read Data From > >>>> Package")) > >>>>>>>>> dsname <- tclVar("") > >>>>>>>>> package <- NULL > >>>>>>>>> enterFrame <- tkframe(top) > >>>>>>>>> entryDsname <- ttkentry(enterFrame, width="20", > >>>>>>>> textvariable=dsname) > >>>>>>>>> packages <- sort(.packages()) > >>>>>>>>> packages <- packages[! packages %in% c("base", "stats")] > >>>>>>>>> packages <- packages[sapply(packages, function(package){ > >>>>>>>>> ds <- > >>>>>>>>> data(package=package)$results > >>>>>>>>> if (nrow(ds) == 0) > >>>>>>>>> return(FALSE) > >>>>>>>>> ds <- ds[, "Item"] > >>>>>>>>> valid <- sapply(ds, > >>>>>>>>> is.valid.name) > >>>>>>>>> length(ds[valid]) > > >>> 0 > >>>>>>>>> })] > >>>>>>>>> packageDatasetFrame <- tkframe(top) > >>>>>>>>> packageFrame <- tkframe(packageDatasetFrame) > >>>>>>>>> max.height <- getRcmdr("variable.list.height") > >>>>>>>>> packageBox <- tklistbox(packageFrame, height=min(max.height, > >>>>>>>>> length(packages)), > >>>>>>>>> exportselection="FALSE", > >>>>>>>>> selectmode="single", background="white") > >>>>>>>>> packageScroll <- ttkscrollbar(packageFrame, > >>>>>>>>> command=function(...) tkyview(packageBox, > >>> ...)) > >>>>>>>>> tkconfigure(packageBox, yscrollcommand=function(...) > >>>>>>>>> tkset(packageScroll, ...)) > >>>>>>>>> for (p in packages) tkinsert(packageBox, "end", p) > >>>>>>>>> datasetFrame <- tkframe(packageDatasetFrame) > >>>>>>>>> datasetBox <- tklistbox(datasetFrame, height=max.height, > >>>>>>>>> exportselection="FALSE", > >>>>>>>>> selectmode="single", background="white") > >>>>>>>>> datasetScroll <- ttkscrollbar(datasetFrame, > >>>>>>>>> command=function(...) tkyview(datasetBox, > >>> ...)) > >>>>>>>>> tkconfigure(datasetBox, yscrollcommand=function(...) > >>>>>>>>> tkset(datasetScroll, ...)) > >>>>>>>>> onPackageSelect <- function(){ > >>>>>>>>> assign("package", > >>>>>>>>> packages[as.numeric(tkcurselection(packageBox)) + 1], envir=env) > >>>>>>>>> datasets <<- data(package=package)$results[,3] > >>>>>>>>> valid <- sapply(datasets, is.valid.name) > >>>>>>>>> datasets <<- datasets[valid] > >>>>>>>>> tkdelete(datasetBox, "0", "end") > >>>>>>>>> for (dataset in datasets) tkinsert(datasetBox, > >>> "end", > >>>>>>>>> dataset) > >>>>>>>>> tkconfigure(datasetBox, height=min(max.height, > >>>>>>>>> length(datasets))) > >>>>>>>>> firstChar <- tolower(substr(datasets, 1, 1)) > >>>>>>>>> len <- length(datasets) > >>>>>>>>> onLetter <- function(letter){ > >>>>>>>>> letter <- tolower(letter) > >>>>>>>>> current <- 1 + > >>>>>>>>> round(as.numeric(unlist(strsplit(tclvalue(tkyview(datasetBox) ), " > >>>>>>>>> "))[1])*len) > >>>>>>>>> mat <- match(letter, > >>> firstChar[-(1:current)]) > >>>>>>>>> if (is.na(mat)) return() > >>>>>>>>> tkyview.scroll(datasetBox, mat, "units") > >>>>>>>>> } > >>>>>>>>> onA <- function() onLetter("a") > >>>>>>>>> onB <- function() onLetter("b") > >>>>>>>>> onC <- function() onLetter("c") > >>>>>>>>> onD <- function() onLetter("d") > >>>>>>>>> onE <- function() onLetter("e") > >>>>>>>>> onF <- function() onLetter("f") > >>>>>>>>> onG <- function() onLetter("g") > >>>>>>>>> onH <- function() onLetter("h") > >>>>>>>>> onI <- function() onLetter("i") > >>>>>>>>> onJ <- function() onLetter("j") > >>>>>>>>> onK <- function() onLetter("k") > >>>>>>>>> onL <- function() onLetter("l") > >>>>>>>>> onM <- function() onLetter("m") > >>>>>>>>> onN <- function() onLetter("n") > >>>>>>>>> onO <- function() onLetter("o") > >>>>>>>>> onP <- function() onLetter("p") > >>>>>>>>> onQ <- function() onLetter("q") > >>>>>>>>> onR <- function() onLetter("r") > >>>>>>>>> onS <- function() onLetter("s") > >>>>>>>>> onT <- function() onLetter("t") > >>>>>>>>> onU <- function() onLetter("u") > >>>>>>>>> onV <- function() onLetter("v") > >>>>>>>>> onW <- function() onLetter("w") > >>>>>>>>> onX <- function() onLetter("x") > >>>>>>>>> onY <- function() onLetter("y") > >>>>>>>>> onZ <- function() onLetter("z") > >>>>>>>>> for (letter in c(letters, LETTERS)){ > >>>>>>>>> tkbind(datasetBox, paste("<", letter, ">", > >>> sep=""), > >>>>>>>>> get(paste("on", > >>> toupper(letter), > >>>>>>>>> sep=""))) > >>>>>>>>> } > >>>>>>>>> onClick <- function() tkfocus(datasetBox) > >>>>>>>>> tkbind(datasetBox, "<ButtonPress-1>", onClick) > >>>>>>>>> } > >>>>>>>>> onDatasetSelect <- function(){ > >>>>>>>>> tclvalue(dsname) <- > >>>>>>>>> datasets[as.numeric(tkcurselection(datasetBox)) + 1] > >>>>>>>>> } > >>>>>>>>> firstChar <- tolower(substr(packages, 1, 1)) > >>>>>>>>> len <- length(packages) > >>>>>>>>> onLetter <- function(letter){ > >>>>>>>>> letter <- tolower(letter) > >>>>>>>>> current <- 1 + > >>>>>>>>> round(as.numeric(unlist(strsplit(tclvalue(tkyview(packageBox) ), " > >>>>>>>>> "))[1])*len) > >>>>>>>>> mat <- match(letter, firstChar[-(1:current)]) > >>>>>>>>> if (is.na(mat)) return() > >>>>>>>>> tkyview.scroll(packageBox, mat, "units") > >>>>>>>>> } > >>>>>>>>> onA <- function() onLetter("a") > >>>>>>>>> onB <- function() onLetter("b") > >>>>>>>>> onC <- function() onLetter("c") > >>>>>>>>> onD <- function() onLetter("d") > >>>>>>>>> onE <- function() onLetter("e") > >>>>>>>>> onF <- function() onLetter("f") > >>>>>>>>> onG <- function() onLetter("g") > >>>>>>>>> onH <- function() onLetter("h") > >>>>>>>>> onI <- function() onLetter("i") > >>>>>>>>> onJ <- function() onLetter("j") > >>>>>>>>> onK <- function() onLetter("k") > >>>>>>>>> onL <- function() onLetter("l") > >>>>>>>>> onM <- function() onLetter("m") > >>>>>>>>> onN <- function() onLetter("n") > >>>>>>>>> onO <- function() onLetter("o") > >>>>>>>>> onP <- function() onLetter("p") > >>>>>>>>> onQ <- function() onLetter("q") > >>>>>>>>> onR <- function() onLetter("r") > >>>>>>>>> onS <- function() onLetter("s") > >>>>>>>>> onT <- function() onLetter("t") > >>>>>>>>> onU <- function() onLetter("u") > >>>>>>>>> onV <- function() onLetter("v") > >>>>>>>>> onW <- function() onLetter("w") > >>>>>>>>> onX <- function() onLetter("x") > >>>>>>>>> onY <- function() onLetter("y") > >>>>>>>>> onZ <- function() onLetter("z") > >>>>>>>>> for (letter in c(letters, LETTERS)){ > >>>>>>>>> tkbind(packageBox, paste("<", letter, ">", sep=""), > >>>>>>>>> get(paste("on", toupper(letter), > >>> sep=""))) > >>>>>>>>> } > >>>>>>>>> onClick <- function() tkfocus(packageBox) > >>>>>>>>> tkbind(packageBox, "<ButtonPress-1>", onClick) > >>>>>>>>> onOK <- function(){ > >>>>>>>>> datasetName <- > >>>>>>>>> datasets[as.numeric(tkcurselection(datasetBox)) + 1] > >>>>>>>>> dsnameValue <- tclvalue(dsname) > >>>>>>>>> if (dsnameValue != "" && is.null(package)){ > >>>>>>>>> closeDialog() > >>>>>>>>> if (is.element(dsnameValue, listDataSets())) > >>> { > >>>>>>>>> if ("no" == > >>>>>>>>> tclvalue(checkReplace(dsnameValue, gettextRcmdr("Data set")))){ > >>>>>>>>> if (GrabFocus()) > >>> tkgrab.release(top) > >>>>>>>>> tkdestroy(top) > >>>>>>>>> readDataFromPackage() > >>>>>>>>> return() > >>>>>>>>> } > >>>>>>>>> } > >>>>>>>>> save.options <- options(warn=2) > >>>>>>>>> check <- > >>> try(eval(parse(text=logger(paste("data(", > >>>>>>>>> dsnameValue, ")", sep=""))), > >>>>>>>>> > >>> envir=.GlobalEnv), > >>>>>>>>> silent=TRUE) > >>>>>>>>> options(save.options) > >>>>>>>>> if (class(check) == "try-error"){ > >>>>>>>>> > >>> errorCondition(recall=readDataFromPackage, > >>>>>>>>> > >>>>>>>>> message=sprintf(gettextRcmdr("Data set %s does not exit"), > >>>>>>>> dsnameValue)) > >>>>>>>>> return() > >>>>>>>>> } > >>>>>>>>> activeDataSet(dsnameValue) > >>>>>>>>> tkfocus(CommanderWindow()) > >>>>>>>>> } > >>>>>>>>> else{ > >>>>>>>>> if (is.null(package)) { > >>>>>>>>> > >>> errorCondition(recall=readDataFromPackage, > >>>>>>>>> message=gettextRcmdr("You must select a package.")) > >>>>>>>>> return() > >>>>>>>>> } > >>>>>>>>> if (length(datasetName) == 0) { > >>>>>>>>> > >>> errorCondition(recall=readDataFromPackage, > >>>>>>>>> message=gettextRcmdr("You must select a data set.") ) > >>>>>>>>> return() > >>>>>>>>> } > >>>>>>>>> if (is.element(datasetName, listDataSets())) > >>> { > >>>>>>>>> if ("no" == > >>>>>>>>> tclvalue(checkReplace(datasetName, gettextRcmdr("Data set")))){ > >>>>>>>>> if (GrabFocus()) > >>> tkgrab.release(top) > >>>>>>>>> tkdestroy(top) > >>>>>>>>> readDataFromPackage() > >>>>>>>>> return() > >>>>>>>>> } > >>>>>>>>> } > >>>>>>>>> closeDialog() > >>>>>>>>> command <- paste("data(", datasetName, ', > >>>>>>>>> package="', package, '")', sep="") > >>>>>>>>> result <- justDoIt(command) > >>>>>>>>> logger(command) > >>>>>>>>> if (class(result)[1] != "try-error") > >>>>>>>>> activeDataSet(datasetName) > >>>>>>>>> tkfocus(CommanderWindow()) > >>>>>>>>> } > >>>>>>>>> } > >>>>>>>>> onDataHelp <- function(){ > >>>>>>>>> datasetName <- datasets[as.numeric(tkcurselection(datasetBox)) > >>>> + > >>>>>> 1] > >>>>>>>>> dsnameValue <- tclvalue(dsname) > >>>>>>>>> if (dsnameValue == "") dsnameValue <- datasetName > >>>>>>>>> if (length(dsnameValue) == 0) > >>> Message(gettextRcmdr("No > >>>> data > >>>>>>>>> set selected."), type="warning") > >>>>>>>>> else if (is.null(package)) > >>> doItAndPrint(paste('help("', > >>>>>>>>> dsnameValue, '")', sep="")) > >>>>>>>>> else doItAndPrint(paste('help("', dsnameValue, '", > >>>>>>>>> package="', package, '")', sep="")) > >>>>>>>>> } > >>>>>>>>> OKCancelHelp(helpSubject="data") > >>>>>>>>> dataHelpButton <- buttonRcmdr(top, text=gettextRcmdr("Help > >>> on > >>>>>>>>> selected data set"), command=onDataHelp) > >>>>>>>>> tkgrid(labelRcmdr(packageDatasetFrame, > >>>> text=gettextRcmdr("Package > >>>>>>>>> (Double-click to select)"), fg=getRcmdr("title.color"), > >>>>>>>>> font="RcmdrTitleFont"), > >>>>>>>>> labelRcmdr(packageDatasetFrame, text=" "), > >>>>>>>>> labelRcmdr(packageDatasetFrame, text=gettextRcmdr("Data set > >>>> (Double- > >>>>>>>> click to > >>>>>>>>> select)"), > >>>>>>>>> fg=getRcmdr("title.color"), > >>>>>>>>> font="RcmdrTitleFont"), sticky="w") > >>>>>>>>> tkgrid(packageBox, packageScroll, sticky="nw") > >>>>>>>>> tkgrid(datasetBox, datasetScroll, sticky="nw") > >>>>>>>>> tkgrid(packageFrame, labelRcmdr(packageDatasetFrame, text=" > >>>> "), > >>>>>>>>> datasetFrame, sticky="nw") > >>>>>>>>> tkgrid(packageDatasetFrame, sticky="w") > >>>>>>>>> tkgrid(labelRcmdr(top, text=gettextRcmdr("OR"), fg="red"), > >>>>>>>>> sticky="w") > >>>>>>>>> tkgrid(labelRcmdr(enterFrame, text=gettextRcmdr("Enter name > >>>> of data > >>>>>>>>> set: "), fg=getRcmdr("title.color"), font="RcmdrTitleFont"), > >>>>>>>> entryDsname, > >>>>>>>>> sticky="w") > >>>>>>>>> tkgrid(enterFrame, sticky="w") > >>>>>>>>> tkgrid(dataHelpButton, sticky="w") > >>>>>>>>> tkgrid(buttonsFrame, sticky="ew") > >>>>>>>>> tkgrid.configure(packageScroll, sticky="ns") > >>>>>>>>> tkgrid.configure(datasetScroll, sticky="ns") > >>>>>>>>> tkbind(packageBox, "<Double-ButtonPress-1>", > >>> onPackageSelect) > >>>>>>>>> tkbind(datasetBox, "<Double-ButtonPress-1>", > >>> onDatasetSelect) > >>>>>>>>> dialogSuffix(focus=entryDsname) > >>>>>>>>> } > >>>>>>>>> > >>>>>>>>> -------- snip ---------- > >>>>>>>>> > >>>>>>>>> Any insight into the problem would be appreciated. > >>>>>>>>> > >>>>>>>>> Thanks, > >>>>>>>>> John > >>>>>>>>> > >>>>>>>>> ----------------------------------------------- > >>>>>>>>> John Fox, Professor > >>>>>>>>> McMaster University > >>>>>>>>> Hamilton, Ontario, Canada > >>>>>>>>> http://socserv.socsci.mcmaster.ca/jfox/ > >>>>>>>>> > >>>>>>>>> > >>>>>>>>> > >>>>>>>>> > >>>>>>>>> --- > >>>>>>>>> This email has been checked for viruses by Avast antivirus > >>>> software. > >>>>>>>>> https://www.avast.com/antivirus > >>>>>>>>> > >>>>>>>>> ______________________________________________ > >>>>>>>>> R-package-devel@r-project.org mailing list > >>>>>>>>> https://stat.ethz.ch/mailman/listinfo/r-package-devel > >>>>>>>> > >>>>>>>> -- > >>>>>>>> Peter Dalgaard, Professor, > >>>>>>>> Center for Statistics, Copenhagen Business School > >>>>>>>> Solbjerg Plads 3, 2000 Frederiksberg, Denmark > >>>>>>>> Phone: (+45)38153501 > >>>>>>>> Email: pd....@cbs.dk Priv: pda...@gmail.com > >>>>>>>> > >>>>>>>> > >>>>>>>> > >>>>>>>> > >>>>>>>> > >>>>>>>> > >>>>>>> > >>>>>>> > >>>>>>> > >>>>>>> --- > >>>>>>> This email has been checked for viruses by Avast antivirus software. > >>>>>>> https://www.avast.com/antivirus > >>>>>>> > >>>>>>> ______________________________________________ > >>>>>>> R-package-devel@r-project.org mailing list > >>>>>>> https://stat.ethz.ch/mailman/listinfo/r-package-devel > >>>>>>> > >>>>> > >>>>> > >>>>> --- > >>>>> This email has been checked for viruses by Avast antivirus software. > >>>>> https://www.avast.com/antivirus > >>>>> > >>> > >>> > >>> --- > >>> This email has been checked for viruses by Avast antivirus software. > >>> https://www.avast.com/antivirus > >>> > >> > > > > ------------------------------------------------ > > John Fox, Professor > > McMaster University > > Hamilton, Ontario, Canada > > http://socserv.mcmaster.ca/jfox/ > > > > > > > > > ______________________________________________ R-package-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-package-devel
