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r set dataframe column names

By Dead DragonflyDead Dragonfly on May 06, 2020 
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

Source: stackoverflow.com

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create a dataframe with column names in r

By Trustworthy WhaleTrustworthy Whale on Feb 23, 2021 
# This works well if you need an empty dataframe with n known columns
df <- data.frame(matrix(ncol = 3, nrow = 0))
x <- c("name", "age", "gender")
colnames(df) <- x

Source: stackoverflow.com

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1

r set dataframe column names

By Dead DragonflyDead Dragonfly on May 06, 2020 
R> colnames(X)[2] <- "superduper"

Source: stackoverflow.com

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