I suspect the problem may be with the structure of the data. Si Qi L wrote: [...] acc1<- lm(data$acc ~ dummy + data$Reqloanamount + data$Code + data$Code.1 + data$EmpNetMonthlyPay + data$Customer_Age + data$RTI) [...] These attributes are all numerical except the "acc"(factors) [...]
If, as he implies, the "acc" variable in "data" is a factor, then lm() will not enjoy fitting an lm where the dependent variables (response) is a factor! Just a shot in the dark ... Ted. On 30-Mar-2014 18:46:27 Bert Gunter wrote: > 1. Post in plain text, not HTML. > > 2. Read ?lm and note the data argument. Use it in your lm call instead > of all the xxxx$data extractions. > > 3. Your problem is with the summary() call, so read ?summary.lm. Learn > about S3 methods if you do not know where the ".lm" part is coming > from by reading the "Introduction to R " tutorial that ships with R, > which you should have read already anyway. > > Cheers, > Bert > > Bert Gunter > Genentech Nonclinical Biostatistics > (650) 467-7374 > > "Data is not information. Information is not knowledge. And knowledge > is certainly not wisdom." > H. Gilbert Welch > > > > > On Sun, Mar 30, 2014 at 9:43 AM, Frank Schwidom <schwi...@gmx.net> wrote: >> Please provide some data from your variable data. >> >> Show the output of dput( data) or an subset >> of data which leads toe the specific error. >> >> Regards >> >> >> On Sun, Mar 30, 2014 at 02:23:09PM +0100, Si Qi L. wrote: >>> Hi >>> >>> I have a problem with linear regression. This is my codes: >>> >>> acc1<- lm(data$acc ~ dummy + data$Reqloanamount + data$Code + data$Code.1 + >>> data$EmpNetMonthlyPay + data$Customer_Age + data$RTI) >>> summary(acc1) >>> >>> These attributes are all numerical except the "acc"(factors), so how can I >>> fix the problem R showed me? can anyone please help me out? Many thanks! >>> >>> But the R shows: >>> >>> Residuals:Error in quantile.default(resid) : factors are not allowedIn >>> addition: Warning message:In Ops.factor(r, 2) : ^ not meaningful for >>> factors >>> >>> [[alternative HTML version deleted]] >>> >>> ______________________________________________ >>> R-help@r-project.org mailing list >>> https://stat.ethz.ch/mailman/listinfo/r-help >>> PLEASE do read the posting guide >>> http://www.R-project.org/posting-guide.html >>> and provide commented, minimal, self-contained, reproducible code. >> >> ______________________________________________ >> R-help@r-project.org mailing list >> https://stat.ethz.ch/mailman/listinfo/r-help >> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html >> and provide commented, minimal, self-contained, reproducible code. > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. ------------------------------------------------- E-Mail: (Ted Harding) <ted.hard...@wlandres.net> Date: 30-Mar-2014 Time: 21:12:16 This message was sent by XFMail ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
