gs gs119 Data Preprocessing - Data Preprocessing - Quiz No.1
gs gs119 Data Science Quiz
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Question 1: Which of the following is not important in determining data quality?
Accuracy
Consistency
Completeness
Database
Question 2: Sometimes the users submit incorrect data in the compulsory fields to avoid divulging personal information. This is known as _____
Disguised missing data
Organized missing data
Characteristic missing data
Coordinated missing data
Question 5: Which of the following is not true about data reduction?
Reduced data strives to gives same analytical results as the original data
Reduced data gives strives to give less accurate analytical results the original data
It involves dimensionality reduction
It involves numerosity reduction
Question 6: Which of the following is not a form of data transformation?
Normalization
Discretization
Concept hierarchy
Compression
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