create a dataframe with column names in r

R> X <- data.frame(bad=1:3, worse=rnorm(3))
R> X
  bad     worse
1   1 -2.440467
2   2  1.320113
3   3 -0.306639
R> colnames(X) <- c("good", "better")
R> X
  good    better
1    1 -2.440467
2    2  1.320113
3    3 -0.306639

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4.5

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Phoenix Logan 186120 points

                                    # This works well if you need an empty dataframe with n known columns
df &lt;- data.frame(matrix(ncol = 3, nrow = 0))
x &lt;- c(&quot;name&quot;, &quot;age&quot;, &quot;gender&quot;)
colnames(df) &lt;- x

Thank you! 5

4.5 (6 Votes)

0

3.75

3

Awgiedawgie 440215 points

                                    R&gt; colnames(X)[2] &lt;- &quot;superduper&quot;

Thank you! 3

3.75 (4 Votes)

0

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