A00-485問題集、SASInstitute実際の試験問題

質問 1

When interpreting comparison results using the Assessment panel, what information can be obtained?

A. The relationship between two predictor variables

B. Model performance metrics, such as AUC and KS Statistic

C. The distribution of predictor variables

D. The number of iterations performed by each model

正解: B

質問 2

When assessing the quality of a linear regression model, what does a low p-value associated with the F-statistic suggest?

A. The model has a significant overall explanatory power.

B. The model has a weak linear relationship with the response.

C. The model has a high level of multicollinearity.

D. The model is a poor fit for the data.

正解: A

質問 3

Refer to the exhibits:
Exhibit 1:

Exhibit 2:

An analyst has created a cluster model based on the settings in Exhibit 1 and chose to derive a cluster ID variable.
Why are there 5 cluster IDs in Exhibit 2 based on these settings?

A. Cluster Matrix Visible Roles setting is 5.

B. Parallel Coordinates Visible Roles setting is 5.

C. Variable Standardization has been chosen.

D. There are observations with missing values.

正解: D

質問 4

Given an Influence Plot generated in a Linear Regression within SAS Visual Statistics, which diagnostic can be used to quantify leverage?

A. Concordance

B. AIC

C. Likelihood Displacement

D. Adjusted R-Squared

正解: C

質問 5

When filtering data for a model in SAS Visual Analytics, what can you do to exclude selections and filter data?

A. Specify exclusion criteria in the data source properties

B. Use the exclude option when setting up a filter

C. Define a filter condition using the interactive filter pane

D. Apply a data filter on the visualization

正解: A,B,C,D

質問 6

When specifying Cluster Roles for Cluster Analysis in SAS Visual Statistics, which condition is correct?

A. At least two variables are required.

B. Category items are not allowed.

C. A target variable is required.

D. Interaction items are allowed.

正解: A

質問 7

Refer to the following exhibit:

After creating a decision tree in SAS Visual Statistics, what is the value in deriving a Leaf ID Variable?

A. Use the leaf ID to identify clusters.

B. Use the leaf ID to identify the most important variables.

C. Use the leaf ID data item in filters in other types of visualizations.

D. Use the leaf ID to rank order by posterior probabilities.

正解: C

質問 8

You perform a logistic regression on a multinomial response variable in SAS Visual Statistics that has 3 levels: Small, Medium, Large. "Large" is specified as the event.
Which statement is true?

A. The other levels are offset to account for exposure.

B. An ordinal logistic regression is performed.

C. A multinomial logistic regression is performed.

D. The other levels are grouped into one non-event.

正解: D

質問 9

Given a scenario, what fit statistic can be used to select a champion model in model comparison?

A. The learning rate of the model

B. The p-value of the intercept term

C. The AUC (Area Under the Curve)

D. The R-squared value

正解: C

質問 10

What is the primary purpose of concordance statistics in model comparison?

A. To calculate the p-values of predictor variables

B. To measure the balance between sensitivity and specificity

C. To evaluate the relationship between two predictor variables

D. To assess the multicollinearity among predictors

正解: B

質問 11

Refer to the exhibit from a linear regression model in SAS Visual Statistics:

Based on the table above and assuming a significance level of 0.05, what can be concluded about the linear regression model?

A. For one one-unit increase in Average Sales, there is an expected increase in the response of
4475.443.

B. For a 1371.5 unit decrease in Total Promos, there is an expected one-unit increase in the response.

C. Age is a significant predictor of the response.

D. The Intercept is an important predictor of the response.

正解: A

質問 12

How can you assign a group-by variable to a predictive model in SAS Visual Analytics?

A. Specify the group-by variable in the data source properties

B. Drag and drop the group-by variable into the predictor field of the model

C. Click on the group-by variable and choose "Assign as predictor" from the context menu

D. Select the group-by variable from a dropdown menu in the model settings

正解: B,D

質問 13

When applying interactive group-by in SAS Visual Analytics, what happens when you select a specific group?

A. The visualization updates to show data only for the selected group

B. The other groups are temporarily hidden from the visualization

C. The selected group is highlighted within the visualization

D. The measures are aggregated for the selected group

正解: A,B,C

質問 14

Interactions can be created and added to a linear regression model.
Which statement is true about interactions?

A. The maximum number of interactions allowed in a model is 3.

B. An interaction can be created for a squared category variable.

C. Measures and categories can be combined to create an interaction.

D. Each interaction is limited to 3 effects or fewer.

正解: C

SASInstitute Modeling Using SAS Visual Statistics - A00-485 模擬練習