[R] ifelse + numeric

[djbanana]

Hi,

I have a data frame and I need to add another column.

I am using: data[,4] <- ifelse(data[,3]<1,data[,1]/(1-data[,3]),"NA")

This is returning values but are in quotation marks. The error I am getting
is "non-numeric argument to binary operator"

I need column four in data to be numeric. Tried as.numeric but it did not
work well either.

Would appreciate any help.

Thanks.



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