Thanks Timothy, took on board your points and also adjusted/added a couple more variables. Reading okay. Will post on generic r forum in future. Will check out the tutorials file also.
On 26 Jan 2013, at 17:30, Timothy Bates <[email protected]> wrote: > 1 This is not a mac question > 2 You haven’t said what package you’re using > 3. It is highly unlikely that the correct format is rtf. > > The main SEM packages in R are OpenMx, SEM, and lavaan. > > They all have tutorial pdfs, and examples of working models > > On 26 Jan 2013, at 4:09 PM, Ross Tinsley <[email protected]> wrote: >> Trying to run the following model: >> cfa1.model <- specifyModel("~/Documents/Teaching/QMU, >> Edinburgh/Events/Beltane Fire Festival/quants/Audience motivation >> survey/SEM/Data/Very first pass at SEM.rtf") >> file contents: >> >> Q7.Knowledge.of.Beltane -> Number.of.Attendances1, beta, NA >> Age.band -> Q7.Knowledge.of.Beltane, alpha1, NA >> Gender -> Q7.Knowledge.of.Beltane, alpha2, NA >> std.ln.Q12.search.for.meaning -> Q7.Knowledge.of.Beltane, alpha3, NA >> std.ln.Q11.spiritual.quest -> Q7.Knowledge.of.Beltane, alpha4, NA >> Number.of.Attendances1 <-> Number.of.Attendances1, gamma1, NA >> Age.band <-> Age.band, NA, 1 >> std.ln.Q12.search.for.meaning <-> std.ln.Q12.search.for.meaning, gamma3, NA >> std.ln.Q11.spiritual.quest <-> std.ln.Q11.spiritual.quest, gamma4, NA >> >> but get the error message: >> >> Error in scan(file, what, nmax, sep, dec, quote, skip, nlines, na.strings, >> : >> scan() expected 'a real', got 'NA\' >> Any thoughts on why it's not working? Also if you know of any good SEM >> tutorials online? >> Many thanks >> Ross > > -- > The University of Edinburgh is a charitable body, registered in > Scotland, with registration number SC005336. > > _______________________________________________ > R-SIG-Mac mailing list > [email protected] > https://stat.ethz.ch/mailman/listinfo/r-sig-mac _______________________________________________ R-SIG-Mac mailing list [email protected] https://stat.ethz.ch/mailman/listinfo/r-sig-mac
