[Rd] string-length limitations

From: jake wilson <jake_f_wilson_at_hotmail.com>
Date: Wed 12 Jul 2006 - 13:56:23 GMT


Hi,

I'm attempting to "glm" a formula - something that's not caused problems in the past. I've used formulas of the form

    formula( "dependant-variable~independant-variables" )

where the independant variable string is of the form:

    "indvar1+indvar2+...+indvarN"

Now, however, our independant variable strings are quite long (hundreds of variables) - R dies with an "input buffer overflow" error. I've tried writing out the code to files and sourcing them, as well as building the strings incrementally in R, but these have not worked either. I have come to believe there is a maximum length for char strings - some sort of fundamental limitation. Is there such a max-length and, if so, is there a way I can work with long strings of the sort referenced above?

Thank you,
J. Wilson



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