Hi, I have transformed a Lexis object to a msdata object and tried to apply expand.covs() on this object, but I got an error message: "Error in expand.covs... 'data' must be an 'msdata' object". I need to change the class of data to msdata, but don't know how to do it.
Thanks in advance, Kadriye -- View this message in context: http://r.789695.n4.nabble.com/Error-in-expand-covs-data-must-be-an-msdata-object-tp4103316p4103316.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ 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.
