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Dear List: I am having difficulties with the fitted values at different levels of a multilevel model. My data set is a series of student test scores over time with a total of 7,280 observations, 1,720 students nested witin 60 schools. The data set is not balanced. The model was fit using eg.model.1<-lme(math~year, random=~year|schoolid/childid, data=single). When I call the random effects at all levels using EB.1<-data.frame(ranef(eg.model1, level=1)) and EB.2<-data.frame(ranef(eg.model1, level=2)),...

All, I'm trying to create an augPred plot in the nlme library, similar to the plot on p.43 of Pinheiro & Bates (Mixed Effects Models in S and S-Plus) for their Pixel data. My data structure is the same as the example but I still get the error msg below. > comp.adj.UKV <- groupedData(adj.UKV ~ Time | Patient_no/Lisinopril, data = comp.adj.UKV.frm, order.groups = F) >

...ns (bwplot, boxplot). I have tried a few different packages and it seems that ggplots with plotmeans was the fastest (I am not extremely skilled in writing my own scripts). Unfortunately, there is no grouping argument in plotmeans(). Therefore, I have overlaid three plots (plotting all stations witin year). However, as the graphs are exctly overlaid, it is not possible to distinguish the confidence intervals. How do I introduce jitter? Data2007, Data2008 and Data2009 are the dataframes with the data from that particular year including all the stations. I have also tried lineplot.CI from the...

Dear List, I'm looking for a function for listening of the content witin a ftp server. I need to list bevor I download a file becaus I don't know the exat names of a file or dirs. Up to now I'm using the "getURL" function from RCurl package. But it relativly often happens that I get a errorcode 550 an I'm not able to get the information. If I put t...

Hi As this '-R' command initially works fine I guess it must be a bug. I have to login at a computer which is hidden behind NAT. The user (joe) at the computer then connect to my server with the command: ssh -R 1234:localhost:22 test.com Then I login to test.com and connect back to joes computer: ssh -p 1234 localhost I get successfull connection every time but after a few

Hey, I want to broadcast my music with the p2p program, but I in the processing to configuring my utilities such oddcast. I am behind a router and when I try to connect Oddcast I keep getting the message “unable to connect to socket”. What the heck does that mean? I think it has to do something with UDP and TCP, but I don’t know which one to choose when I’m port forwarding it from my router.

I believe I have found either a bug or something I do not understand. I recently had a file-share issue and the resolution was to set the "others" permissions to 5, read and execute. The problem with this is that once I am in Windows on a workstation, this appears to allow "Everyone", "CREATOR OWNER", and "CREATOR GROUP" access. We normally setup our