Message-ID: <1320165145510-3964240.post@n4.nabble.com>
Date: 2011-11-01T16:32:25Z
From: loubna181
Subject: oversampling code
In-Reply-To: <16D6EF48-C49E-4B48-95E3-D51EA0865198@comcast.net>
Hi,
Thanks all for your responses, but as I m a new user of R while trying to
apply what David suggests I dont know what *"dorm" *refers to.
dfrm[c(rownames(dfrm[*dorm*$Y==1,]), sample(rownames(dfrm[dfrm$Y==0]),
0.10)) , ]
But to give you more details , I'm working on a table calles balance from
UCI machine learning
I do have a variable called class and takes 3 values : B, L and R.
B represents 8% of the total and L and R 46% each one.
The purpose is to have a data set with 10% of B, 40% of L and 40% of R.
Thank u
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