Create a custom imputation method.

This is a constructor to create your own imputation methods.

Usage

makeImputeMethod(learn, impute, args = list())

learn: (function(data, target, col, ...))
Function to learn and extract information on column col out of data frame data. Argument target specifies the target column of the learning task. The function has to return a named list of values.
impute: (function(data, target, col, ...))
Function to impute missing values in col using information returned by learn on the same column. All list elements of the return values o learn are passed to this function into ....
args: (list)
Named list of arguments to pass to learn via ....