Sorry for not being clear. I forgot to mention that the variable labels don't
really say which are categorical/continuous.
They are just I1, I2,...., I459. Out of these 459 variables, most are
continuous and others are categorical.
So, the grep command won't work here.
Thanks,
Debs
________________________________
From: Anthony Damico <ajdam...@gmail.com>
Cc: "r-help@r-project.org" <r-help@r-project.org>
Sent: Tuesday, January 1, 2013 12:24 AM
Subject: Re: [R] Order variables automatically
# create an example data frame
yourdata <-
data.frame(
cat1 = c( 1 , 0 , 1 ) ,
cont1 = c( 0 , 1 , 0 ) ,
cat2 = c( 0 , 0 , 1 )
)
# if this doesn't work for you,
# please ?dput some example data in the future :)
# figure out which variables contain the word 'cat'
vars.to.order <- grep( 'cat' , names( yourdata ) )
# convert all of those columns to factor..
yourdata[ , vars.to.order ] <- lapply( yourdata[ , vars.to.order ], factor )
# ..and then to ordered factor
yourdata[ , vars.to.order ] <- lapply( yourdata[ , vars.to.order ], ordered )
# confirm the results of the new data frame
class( yourdata ) # yourdata is a data frame..
sapply( yourdata , class ) # here's the class of each column
yourdata # here's the whole data set printed to the screen
[[alternative HTML version deleted]]
______________________________________________
R-help@r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
