•1 min read•from Towards Data Science
My Model Was Cheating on Its Own Test
A preprocessing pipeline let my car price model peek at the test set before the exam, and the twelve points of R squared it cheated its way to
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Tagged with
#model
#car price
#test set
#preprocessing
#R squared
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#test set leakage
#pipeline
#cheating
#model evaluation
#overfitting
#validation
#data preprocessing
#regression
#algorithm
#metrics
#statistical analysis
#performance
#towards data science