Hi all, I'm reposting this with a more appropriate subject.
Do I need to define limits as the error message seems to suggest? If so, how? The error message, my code, the output and the first few lines of my data are all below. Thank you! "Error in Getlim(at, allow.null = TRUE, need.all = TRUE) : variable dmodel.df does not have limits defined in fit or with datadist" My code: ================== library(Hmisc); library(Design); library(lattice); dmodel.df = read.table("./data_cub3.txt", header=TRUE, nrows=100) f <- ols(dmodel.df$y1 ~ rcs(dmodel.df$x1,3) ) print(f) dd <- datadist(dmodel.df$x1) options(datadist="dd") describe(dmodel.df) print( Function(f) ) plot(dmodel.df$x1, dmodel.df$y1) plot(f, add=TRUE, col="blue", pch=2) Output: ==================== Linear Regression Model ols(formula = dmodel.df$y1 ~ rcs(dmodel.df$x1, 3)) n Model L.R. d.f. R2 Sigma 100 501.6 2 0.9934 45128 Residuals: Min 1Q Median 3Q Max -68644.8 -31355.6 -849.9 31823.3 154196.6 Coefficients: Value Std. Error t Pr(>|t|) Intercept 35925 12789.6 2.809 0.0060121 dmodel.df -1620 422.9 -3.832 0.0002260 dmodel.df' 25202 523.9 48.102 0.0000000 Residual standard error: 45130 on 97 degrees of freedom Adjusted R-Squared: 0.9932 Error in Getlim(at, allow.null = TRUE, need.all = TRUE) : variable dmodel.df does not have limits defined in fit or with datadist Sample data: ========================= config benchmark x1 noise y1 1 verify2 1 0.72 282 2 verify2 2 1.6 256 ______________________________________________ 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.