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Convert the values in a column into row names in an existing data frame
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This should do:
samp2 <- samp[,-1]
rownames(samp2) <- samp[,1]
So in short, no there is no alternative to reassigning.
Edit: Correcting myself, one can also do it in place: assign rowname attributes, then remove column:
R> df<-da...
Good scalaz introduction [closed]
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edited Feb 6 '11 at 20:51
answered Feb 1 '11 at 16:17
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How to get the ASCII value of a character
...t; chr(97)
'a'
>>> chr(ord('a') + 3)
'd'
>>>
In Python 2, there is also the unichr function, returning the Unicode character whose ordinal is the unichr argument:
>>> unichr(97)
u'a'
>>> unichr(1234)
u'\u04d2'
In Python 3 you can use chr instead of unichr.
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Xcode: issue “file xxx.png is missing from working copy” at project building
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How can a time function exist in functional programming?
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Another way to explain it is this: no function can get the current time (since it keeps changing...
How to pinch out in iOS simulator when map view is only a portion of the screen?
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You can move the two gray circles that represent your fingers around the screen by holding Opt...
How to debug a referenced dll (having pdb)
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Marc Gravell♦Marc Gravell
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SQL-Server: The backup set holds a backup of a database other than the existing
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AWS ssh access 'Permission denied (publickey)' issue [closed]
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