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logrprice
2006 Apr 13
1
Guidance on step() with large dataset (750K) solicited...
...-)')
Thanks ever so much in advance.
-- Jeff
---- Begin ----
## Read in the full data set (n=745466 observations)
data <- read.table("../data_header.dat",header=TRUE)
## Create a data frame with all categorical variables declared as
## unordered factors
data <- data.frame(logrprice=data$logrprice,
cgt=factor(data$cgt),
cag=factor(data$cag),
gstann=factor(data$gstann),
fhogann=factor(data$fhogann),
gstfhog=factor(data$gstfhog),
luc=factor(data$luc),...