Ran kNN and kNN with Cliff instance selection for k = 1,3,5.
Noise Injection method:
for 10%, 20%,...,80% of train data:
Replace with a randomly selected effort score is not equal to the original value.
Perform similar transform with the top 3 attributes as selected by BORE also ensuring replaced value is not equal to the original value.
Results are MDMRE from 5x5 cross-validation.