QuiztudyPREMIUM
Google Advanced Data Analytics Professional Certificate • STUDY MODE
TEST YOUR KNOWLEDGE: PACE IN MACHINE LEARNING: THE PLAN AND ANALYZE STAGES
QUESTION 1 OF 3
Fill in the blank: Feature engineering enables data professionals to take _____ and extract features from it.
A
raw dataCorrect AnswerB
delimited textC
a dynamic dashboardD
a code chunkExplanation:
Feature engineering enables data professionals to take raw data and extract certain attributes from it. It also enables them to select, extract, or transform characteristics and properties from raw data.
QUESTION 2 OF 3
What term describes the process of modifying existing features in a way that improves accuracy when training a model?
A
Feature transformationCorrect AnswerB
Feature improvementC
Feature extractionD
Feature selectionExplanation:
Feature transformation describes the process of modifying existing features in a way that improves accuracy when training the model.
QUESTION 3 OF 3
A class imbalance occurs when a dataset has a predictor variable that contains an equal number of instances of all possible outcomes.
A
TrueB
FalseCorrect AnswerExplanation:
A class imbalance occurs when a dataset has a predictor variable that contains many more instances of one outcome than another.
Ready to test your recall?
Fill in the blank: Feature engineering enables data professionals to take _____ and extract features from it.
A
raw data
B
delimited text
C
a dynamic dashboard
D
a code chunk
How confident are you in this answer?