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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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Julia Etienne
Asked: May 11, 20222022-05-11T18:25:49+00:00 2022-05-11T18:25:49+00:00In: r

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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    lyytutoria Expert
    2022-05-27T03:38:44+00:00Added an answer on May 27, 2022 at 3:38 am

    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
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  2. Lou Cochet
    2022-05-25T19:23:30+00:00Added an answer on May 25, 2022 at 7:23 pm

    It is easy to use unname():

    data.frame <- unname(data.frame)
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