A common method used by some data mining techniques to deal with missing data items during the learning process.
A) replace missing real-valued data items with class means
B) discard records with missing data
C) replace missing attribute values with the values found within other similar instances
D) ignore missing attribute values
Correct Answer:
Verified
Q1: This step of the KDD process model
Q2: A data normalization technique for real-valued attributes
Q3: KDD has been described as the application
Q4: The price of a 12 ounce box
Q5: The relational database model is designed to
A)
Q6: Attibutes may be eliminated from the target
Q7: The choice of a data mining tool
Q8: This data transformation technique works well when
Q10: This technique uses mean and standard deviation
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