How many stages are there in the CRISP-DM process model?
A. 8
B. 4
C. 10
D. 6
正解:A
質問 2:
You have a poorly performing risk model and are looking for strategies to improve
performance. You know that only about one percent of your cases represent risk, and you have over 1 million cases to use for training purposes.
What is the correct approach to test for improving performance?
A. Use the Balance node to reduce the number of non-risky cases used to train the model by a factor of 100.
B. Use the Ensemble node to reduce the number of non-risky cases used to train the model by a factor of-100.
C. Use the CHAID node to reduce the number of all cases used to train the model by half.
D. Use the Time Series node to reduce the number of all cases by a factor of 100.
正解:B
質問 3:
You are managing a marketing campaign and experience poor performance for large sections of your data.
Which approach is a correct method to improve your campaign performance?
A. Restructure the data and use the new fields as inputs to a time series model.
B. Cluster the data into subgroups to differentiate the campaign's predictions by those subgroups represented within the data.
C. Move the nodes into a SuperNode to take advantage of the special clustering methods available within SuperNode functionality.
D. Transpose the data to use the rows as columns in a new predictive model.
正解:C
解説: (Pass4Test メンバーにのみ表示されます)
質問 4:
When describing data, which two nodes address value types? (Choose two.)
A. Type node
B. Statistics node
C. Data Audit node
D. Report node
正解:A,C
質問 5:
What is the primary purpose of the Partition node in a modeling effort?
A. Decrease the proportion of an over-represented subgroup within the data.
B. Increase the proportion of under-represented subgroups within the data.
C. Divide the data into training and testing data.
D. Allow for equal sampling across subgroups within the data.
正解:A
解説: (Pass4Test メンバーにのみ表示されます)
質問 6:
You are working on a project where the business objective is to increase sales revenue.
With which CRISP-DM process model stage would you start?
A. Data Understanding
B. Evaluation
C. Business Understanding
D. Data Preparation
正解:B
冈あ** -
これから始めたい方にも良さそうです。また、資格勉強のためだけでなくC2090-930がどんなものか知りたい方にもおすすめできます。