捡芝麻拾谷子
Showing posts with label
data manipulation
.
Show all posts
Showing posts with label
data manipulation
.
Show all posts
Friday, May 27, 2011
One-liner R: remove data frame columns by names
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Sometime, I want to remove some columns from my data. What I did in that case, is found out what are the unwanted column ids and removed tho...
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