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mhkeller/New dataframe from columns R

Created April 24, 2012 15:44
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Create a new R dataframe from a subset of columns from another df
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New dataframe from columns R
unique(df[, c("a", "c")])
or
df <- subset(df, select = c(a,c))
or to drop
df <- subset(df, select = -c(a,c))
where a,c don't need quote or can be written df$a,df$c
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