lnxdivmedianx

Apply the transformation ln(x/median(x)). Replace the target column with the new values on the first port. The second port extract the median of the column to apply the reverse operation expxmumedianx node on new datas. Usually used to predict better very constrasted variables with peaks, in a model (for example linear regression). Apply the lnxdivmedianx node using the extracted median from the lnxdivmedianx to express your result in the orginal scale.

Input ports

1. Type: Table
   Port 1
   Table with at least a numeric column

Output ports

1. Type: Table
   Table with target variable transformed
   Table with target variable transformed
2. Type: Table
   Median of the target column
   Median of the target column