Online Access Free D-DS-FN-23 Practice Test

In a user-defined aggregate function, what is FFUNC?

• A.Optional final calculation function
• B.Window function
• C.Segment-level calculation function
• D.State transition function

Refer to the exhibit.

In the exhibit, a correlogram is provided based on an autocorrelation analysis of a sample dataset.
What can you conclude from only this exhibit?

• A.Differencing is required before proceeding with any analysis
• B.There is significant autocorrelation through lag 3
• C.Lag 7 has a significant negative autocorrelation
• D.There is no structure left to model in the data

When creating a presentation for a technical audience, what is the main objective?

• A.Show that you met the project goals
• B.Show how you met the project goals
• C.Show if the model will meet the SLA
• D.Show the technique to be used in the production environment

What describes a true limitation of a Logistic Regression method?

• A.Does not handle correlated variables well
• B.Does not handle redundant variables well
• C.Does not handle missing values well
• D.Does not have explanatory values

In which lifecycle stage are initial hypotheses formed?

• A.Model planning
• B.Model building
• C.Discovery
• D.Data preparation