Home/ Questions/How to fix “error in match.names(clabs, names(xi)) : names do not match previous names”
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Julia Etienne
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Asked: 2022-05-11T18:25:49+00:00 In:

How to fix “error in match.names(clabs, names(xi)) : names do not match previous names”

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I get “error in match.names(clabs, names(xi)) : names do not match previous names” error when trying to add a make Unique IDs argument to rbind. Spatial Polygons Data Frame for situations when the polygon IDs are identical. Here is the detail of the error I got

> do.call("rbind",xd.small)
 Error in match.names(clabs, names(xi)) : 
  names do not match previous names

Please give me some advice to solve this problem.

names do not match previous names
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2 Answers

  1. Best Answer
    Expert

    The cause: The first dataframe’s names (column name) are not the same as the second.

    Solution: You can force them to agree to the same names if they don’t care about the names in the 4th or 3rd columns of the second Df.

    > names(xd.small[[1]]) <- names(xd.small[[2]])
> identical(names(xd.small[[1]]), names(xd.small[[2]]) )
[1] TRUE
    • 21

  2. It is easy to use unname(): 

    data.frame <- unname(data.frame)
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