"Hiroto Miyoshi" <[EMAIL PROTECTED]> writes: > Could anyone help me please? > > --small example >> library(MASS) >> x1<-runif(100) >> x2<-runif(100) >> x3<-runif(100) >> x4<-runif(100) >> x5<-runif(100) >> y<-x1+x2+x3+runif(100) >> t<-data.frame(y=y,x1=x1,x2=x2,x3=x3,x4=x4,x5=x5)
It is going to be very unhappy if it tries to call the t() transpose function. Please rename this variable and try again. >> x<-lm(y~x1+x2+x3+x4+x5,data=t) >> stepAIC(x) > Start: AIC= -247.61 > y ~ x1 + x2 + x3 + x4 + x5 > > Df Sum of Sq RSS AIC > - x5 1 3.747e-06 7.456 -249.608 > - x4 1 0.026 7.483 -249.254 > <none> 7.456 -247.609 > - x1 1 4.866 12.322 -199.375 > - x2 1 8.182 15.639 -175.543 > - x3 1 8.597 16.054 -172.922 > Error in as.data.frame.default(data) : can't coerce function into a > data.frame best, -tony -- [EMAIL PROTECTED] http://www.analytics.washington.edu/ Biomedical and Health Informatics University of Washington Biostatistics, SCHARP/HVTN Fred Hutchinson Cancer Research Center UW (Tu/Th/F): 206-616-7630 FAX=206-543-3461 | Voicemail is unreliable FHCRC (M/W): 206-667-7025 FAX=206-667-4812 | use Email CONFIDENTIALITY NOTICE: This e-mail message and any attachme...{{dropped}} ______________________________________________ [EMAIL PROTECTED] mailing list https://www.stat.math.ethz.ch/mailman/listinfo/r-help
