forkusam <[EMAIL PROTECTED]> writes: > Hi, > Can someone please tell me what such an error message > could mean. i.e where a problem must have arised. > > Error in uniroot(function(n) eval(p.body) - power, > c(2, 1e+07)) : > f() values at end points not of opposite sign
Looks like the innards of one of the power calculations, finding n to achieve a given power. You'd likely get an error like that if the power is not between 0 and 1, but how about telling us what you were trying to do? -- O__ ---- Peter Dalgaard Blegdamsvej 3 c/ /'_ --- Dept. of Biostatistics 2200 Cph. N (*) \(*) -- University of Copenhagen Denmark Ph: (+45) 35327918 ~~~~~~~~~~ - ([EMAIL PROTECTED]) FAX: (+45) 35327907 ______________________________________________ [EMAIL PROTECTED] mailing list https://www.stat.math.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html