search for: polychotomy

...set, but do not know how. I've only thought of a few possibilities and write to seek advice and guidance on them or deepening or expanding my search. On smaller data sets, I have successfully loaded the data and issued commands such as: length(levels(factor(data$response))) [1] 6 # implies polychotomy library(nnet) result <- multinom(data$response ~ 1 + data$var1 + data$var2 + ...) # (I am interested in at most ten # parameters; usually less than six) For a 60-MB comma-separated-values text-format data file (with a few hundred thousand records), object.size(data) returns roughly 86 MB. No...