How to write a custom function which will replace all the missing values in a vector with the mean of values in R?

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I want to write a custom function which will replace all missing values in a vector with the calculated mean values in R
Jul 4, 2018 in Data Analytics by DataKing99
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Consider this vector:

a<-c(1,2,3,NA,4,5,NA,NA)

Write the function to impute the values:

mean_impute<-function(x){
ifelse(is.na(x),mean(x,na.rm = T),x)
}

The result would be as follows:

mean_impute(a)
1 2 3 3 4 5 3 3
answered Jul 4, 2018 by CodingByHeart77
• 3,680 points

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