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Problem :

Currently I am learning the r programming. I am unable to find the answer to below error but I am unable to do so. Currently I have one dataframe it has a column of strings. My task is to count the exact number of characters present in each entry of a column and then replace a string column with a counts.

Please find below the error for your reference:

Out[2]: Error in match.fun(FUN): argument "FUN" is missing, with no default   
Error in match.fun(FUN): argument "FUN" is missing, with no default

Can someone guide me in fixing above error?

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1 Answer

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Solution :

I went through your issue and I came to know that you are beginner so I am trying to help you.

I guess there are many problems with your code so you are facing above error.

So you need to first apply operators on your matrix or on your data.frame. I guess you wanted to use the sapply instead.

The next problem is with nchar() calls the nchar without any argument in it. So you must use nchar as the function name and you should avoid calling it  as the calling will happen inside sapply as shown below:

data[, 29] = sapply(data[,29], nchar)
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