Revision of errors from Fri, 08/28/2009 - 19:39

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argument is missing, with no default

Variations include:

Error in single.na(to) : argument is missing, with no default

Typical cause: A leading or trailing comma in your code makes R think that you wanted to pass in a parameter, but left it empty (hence "missing, with not default")

Examples:
leading comma
to=c(,'x','y','z')

trailing comma
mxMatrix("Name"
nrow=3,ncol=3,free=TRUE, values=.5,
)

Cure: remove the errant comma