In "An Introduction to R", in "Appendix A A sample session", in the part on Michelson data, information for attach(mm) is Make the data frame visible at position 3 (the default).
In fact, the 'attach' is at position 2. ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
