Dear Professor King, Miya and Patrick We?are having a similar problem. The following code runs with no problems on one of our laptops (a mac with version 2.7.0): data.matrix1 <- cbind(starting$gvtcare, starting$pronhci,starting$cutwelfare, starting$cutmedicaid, starting$gvtdo, starting$jobloss, starting$jobcomm, starting$eginsec, starting$demid, starting$repid, starting$hhunion, starting$female, starting$nonwhite, starting$income, starting$educ, starting$educinc, starting$age, starting$hhlayoffs, starting$ncentral, starting$south, starting$west, starting$skilled, starting$unskilled, starting$liberal, starting$conservative, starting$weight) colnames(data.matrix1) <- c("gvtcare", "pronhci","cutwelfare","cutmedicaid", "gvtdo","jobloss", "jobcomm", "eginsec","demid", "repid", "hhunion","female", "nonwhite","income", "educ", "educinc","age", "hhlayoffs","ncentral","south","west","skilled","unskilled","liberal","conservative","weights") data1 <- as.data.frame(data.matrix1) head(data1) amelia1 <- amelia(data=data1,m=5,p2s=1, noms=c("gvtcare","pronhci", "cutwelfare", "cutmedicaid", "gvtdo", "demid","repid","hhunion","female","nonwhite","educinc", "ncentral", "south", "west", "skilled", "unskilled", "liberal", "conservative"), ords=c("jobloss", "jobcomm","income","educ","age")) But on the other (a pc with version 2.8.1) we get following error message after the final line of the above code: Error in amelia(data = data1, m = 5, p2s = 1, noms = c("gvtcare", "pronhci",? : ? argument "x" is missing, with no default Many thanks Sam On Sat, Apr 25, 2009 at 8:46 AM, charlotte cavaille <charlotte.cavaille at gmail.com> wrote: _______________________________________________ gov2001-l mailing list gov2001-l at mailman.fas.harvard.edu http://mailman.fas.harvard.edu/mailman/listinfo/gov2001-l

yes, the Amelia GUI, but also please make sure you have the current version of Amelia installed. There were some changes recently that might account for some of these issues. Gary --- http://gking.harvard.edu On 4/26/2009 3:30 PM, Brandon Stewart wrote: Sam, The argument for the dataframe is x= dataset. So if you change your code to: amelia(x=data1....) it should work. Why your code works on the older version I have no idea. Also- I am sure one of the TAs will get back to you guys, but I highly recommend the Amelia GUI. It does really nice error checking and helps to avoid these syntax errors by using an easy menu. Just load the package and type AmeliaView() and it will pop up. Brandon On Sun, Apr 26, 2009 at 3:25 PM, Sam Barrows <sbarrows at fas.harvard.edu> <sbarrows at fas.harvard.edu> wrote: Dear Professor King, Miya and Patrick We are having a similar problem. The following code runs with no problems on one of our laptops (a mac with version 2.7.0): data.matrix1 <- cbind(starting$gvtcare, starting$pronhci,starting$cutwelfare, starting$cutmedicaid, starting$gvtdo, starting$jobloss, starting$jobcomm, starting$eginsec, starting$demid, starting$repid, starting$hhunion, starting$female, starting$nonwhite, starting$income, starting$educ, starting$educinc, starting$age, starting$hhlayoffs, starting$ncentral, starting$south, starting$west, starting$skilled, starting$unskilled, starting$liberal, starting$conservative, starting$weight) colnames(data.matrix1) <- c("gvtcare", "pronhci","cutwelfare","cutmedicaid", "gvtdo","jobloss", "jobcomm", "eginsec","demid", "repid", "hhunion","female", "nonwhite","income", "educ", "educinc","age", "hhlayoffs","ncentral","south","west","skilled","unskilled","liberal","conservative","weights") data1 <- as.data.frame(data.matrix1) head(data1) amelia1 <- amelia(data=data1,m=5,p2s=1, noms=c("gvtcare","pronhci", "cutwelfare", "cutmedicaid", "gvtdo", "demid","repid","hhunion","female","nonwhite","educinc", "ncentral", "south", "west", "skilled", "unskilled", "liberal", "conservative"), ords=c("jobloss", "jobcomm","income","educ","age")) But on the other (a pc with version 2.8.1) we get following error message after the final line of the above code: Error in amelia(data = data1, m = 5, p2s = 1, noms = c("gvtcare", "pronhci", : argument "x" is missing, with no default Many thanks Sam On Sat, Apr 25, 2009 at 8:46 AM, charlotte cavaille<charlotte.cavaille at gmail.com> <charlotte.cavaille at gmail.com> wrote: Dear Professor King, Miya and Patrick Just wanted to mention the following thing that happen to me: this piece of R code using Amelia only runs on one of the HMDC computers, I have tried 4 other computers and get an error message about unused arguments...(concerning that variable with NAs) I will stick to the working computer hoping that it is because it has the right Amelia package that it runs ( and not because there is something wrong that, for weird reasons, still goes our way!) Thought i would mention it just in case anyone had the same issue...really weird! model.1.new <- scrugg.f[, c("uercovch", "laguercov", "lagleftc", "lagtradeopen", "lagopenn", "laguerate", "laggrow", "hrsveto", "siaroff", "ggdeflag", "bbb", "blaguercov", "blagleftc", "blagtradeopen", "blagopenn", "blaguerate", "blaggrow", "bhrsveto", "bsiaroff", "bggdef", "dum1", "dum2", "dum3", "dum4", "dum5", "dum6", "dum7", "dum8", "dum10", "dum12", "dum13", "dum14", "dum18", "dum19", "dum20", "dum21", "counter", "year")] ## use amelia to impute missing data model.1.new.am.list <- amelia(x=model.1.new, m=5, idvars=c("dum1", "dum2", "dum3", "dum4", "dum5", "dum6", "dum7", "dum8", "dum10", "dum12", "dum13", "dum14", "dum18", "dum19", "dum20", "dum21"), ts="year", cs="counter", polytime=3)$imputations best regards Charlotte _______________________________________________ gov2001-l mailing listgov2001-l at mailman.fas.harvard.eduhttp://mailman.fas.harvard.edu/mailman/listinfo/gov2… _______________________________________________ gov2001-l mailing listgov2001-l at mailman.fas.harvard.eduhttp://mailman.fas.harvard.edu/mailman/listinfo/gov2… _______________________________________________ gov2001-l mailing listgov2001-l at mailman.fas.harvard.eduhttp://mailman.fas.harvard.edu/mailman/listinfo/gov2… _______________________________________________ gov2001-l mailing list gov2001-l at mailman.fas.harvard.edu http://mailman.fas.harvard.edu/mailman/listinfo/gov2001-l

From Matt Blackwell:

Looks like Amelia for OS X is not stored on Gary King's website (at least not in the directory called by that filepath), but the windows version is. -Bernard ----------------------- Bernard L. Fraga Ph.D. Student, Harvard University Government and Social Policy bfraga at fas.harvard.edu ----------------------- On Apr 26, 2009, at 5:42 PM, John Polley wrote: My partner and I are both running the most recent version of R (2.8.1), but Lauren is running it on a PC and I am running it on a Mac. She was able to download the newest version of Amelia on her PC (1.2-1 is how it appears in the url that appears upon download) by using this code: install.packages("Amelia",repos="http://gking.harvard.edu") That code failed on my Mac, with this result: trying URL ' http://gking.harvard.edu/bin/macosx/universal/contrib/2.8/Amelia_1.2-1.tgz ' Error in download.file(url, destfile, method, mode = "wb", ...) : cannot open URL ' http://gking.harvard.edu/bin/macosx/universal/contrib/2.8/Amelia_1.2-1.tgz ' In addition: Warning message: In download.file(url, destfile, method, mode = "wb", ...) : cannot open: HTTP status was '404 Not Found' Warning in download.packages(p0, destdir = tmpd, available = available, : download of package 'Amelia' failed I then downloaded Amelia with this code: install.packages("Amelia") ...which appears to have given me an older version of Amelia, 1.1-33 (again, based on the url appears when I run this installation). When she runs Amelia, she uses amelia(x=data...), and it works. That doesn't work on my Mac. When I run Amelia, I use amelia(data=...) -- which is the way one is instructed to do it in the Amelia II manual -- and it works for me. The question, then, is how I can install the more recent version of Amelia on my Mac if install.packages("Amelia",repos="http://gking.harvard.edu") isn't working. any ideas?... On Sun, Apr 26, 2009 at 4:36 PM, Gary King <king at harvard.edu> wrote: _______________________________________________ gov2001-l mailing list gov2001-l at mailman.fas.harvard.edu http://mailman.fas.harvard.edu/mailman/listinfo/gov2001-l _______________________________________________ gov2001-l mailing list gov2001-l at mailman.fas.harvard.edu http://mailman.fas.harvard.edu/mailman/listinfo/gov2001-l