There is no variable called x1 in the chem dataframe. Did you mean gg1=rsm(yield~ FO(x1,x2),data=ggg,subset = (Block == "B1"))
hth. daniel ________________________________________ Feladó: [email protected] [[email protected]] ; meghatalmazó: IZHAK shabsogh [[email protected]] Küldve: 2013. december 15. 15:53 To: [email protected] Tárgy: [R] RSM kindly help find out why the following code is given me error time<-c(80,80,90,90,85,85,85,85,85,85,92,77,85,85) > tem<-c(170,180,170,180,175,175,175,175,175,175,175,175,182.07,167.93) > yield<-c(80.5,81.5,82,83.5,83.9,84.3,84,79.7,79.8,79.5,78.4,75.6,78.6,77) > Block<-c("B1","B1","B1","B1","B1","B1","B1","B2","B2","B2","B2","B2","B2","B2") > chem<-data.frame(time,tem,Block,yield) > ggg<-coded.data(chem, x1 ~ (time - 85)/5, x2 ~ (tem - 175)/5) > gg1=rsm(yield~ FO(x1,x2),data=chem,subset = (Block == "B1")) Error in lapply(X = X, FUN = FUN, ...) : object 'x1' not found > gg1=rsm(yield~ SO(x1,x2),data=chem,subset = (Block == "B1")) Error in lapply(X = X, FUN = FUN, ...) : object 'x1' not found [[alternative HTML version deleted]] ______________________________________________ [email protected] 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. ______________________________________________ [email protected] 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.
