Replacing Missing Values of Age

[mlauber71]

@devrajr you could try and use R’s “Amelia” package to impute missing values. I am working on some additional missing value replacement wrappers for Python packages in KNIME.

using amelia to deal with missing values

I used R’s Amelia to impute a few missing values. I have attached a sample workflow. The steps basically are: you have a flat file with a variable “Target” 0/1 and string as well as numeric variables you decide which variables need imputation (the blue frames) you create an artificial ID variable you send the data you want to impute to R and Amelia and run 10 iterations you read back the resulting CSV file into KNIME and take the mean value as the newly imputed value you bring back together th…

using R's amelia to deal with missing values – mlauber71