A00-485無料問題集「SASInstitute Modeling Using SAS Visual Statistics」

質問 1

When interpreting a Misclassification plot in model comparison, what does it typically show?

（A）The performance of models in terms of AUC

（B）The trade-off between false positives and false negatives at different thresholds

（C）The relationship between two predictor variables

（D）The distribution of the response variable

正解：B 解答を投票する

質問 2

What do cluster properties refer to in the context of cluster analysis?

（A）A measure of data point centrality

（B）Characteristics shared by data points within a cluster

（C）The number of clusters in the analysis

（D）Descriptive statistics of individual data points

正解：B 解答を投票する

質問 3

When should you replace dirty data with missing values in SAS Visual Analytics?

（A）When you want to remove missing values

（B）When the data is incorrect or invalid

（C）When the data contains outliers

（D）When you want to create a new variable

正解：B 解答を投票する

質問 4

When implementing score code in SAS Enterprise Guide, which step is typically involved in the process?

（A）Converting the code to a macro for automation

（B）Running a SQL query to generate predictions

（C）Dragging and dropping the score code file into the project

（D）Opening the code file and manually executing it

正解：C、D 解答を投票する

質問 5

Why are decision trees a useful technique for segmentation?

（A）Trees treat each split cell dependently based on earlier split decisions.

（B）Trees split data into smaller cells which are decreasingly "pure".

（C）Trees split the response into heterogeneous groups, while minimizing the difference in the response of the groups.

（D）Trees split the response into homogeneous groups, while maximizing the difference in the response of the groups.

正解：D 解答を投票する

質問 6

When interpreting a Residual Plot, what does it reveal about the model's performance?

（A）The p-values associated with the predictor variables

（B）The presence of any outliers or patterns in prediction errors

（C）The linear relationship between predictors and the response

（D）The distribution of predictor variables in the dataset

正解：B 解答を投票する

質問 7

Your company has a dataset that represents global sales. You are a part of a team of analysts that each have responsibility for a certain region of the world. You decide to create a data source filter to suppress every region but yours.
What effect will this have on any new explorations that your teammates create?

（A）It will have no effect on any observations in the dataset.

（B）It will delete all observations that do not match your region.

（C）It will suppress all observations that do not match their corresponding region.

（D）It will suppress all observations that do not match your region.

正解：A 解答を投票する

質問 8

How can you appropriately change the number of clusters in a k-means cluster analysis?

（A）By modifying the random seed

（B）By increasing the number of iterations

（C）By changing the K-value

（D）By adjusting the learning rate

正解：C 解答を投票する

質問 9

The Leaf size property within a decision tree is changed from 5 to 10 and no other stopping rules were met.
How will the tree change?

（A）The tree will be more complex.

（B）The tree will be harder to interpret.

（C）The tree will be simpler.

（D）The tree will train more slowly.

正解：C 解答を投票する

質問 10

When examining the Fit Summary for group-by models, what can you analyze to evaluate the model fit?

（A）p-value for the group-by variable

（B）R-squared value

（C）AIC (Akaike Information Criterion)

（D）BIC (Bayesian Information Criterion)

正解：B、C、D 解答を投票する

A00-485 無料問題集「SASInstitute Modeling Using SAS Visual Statistics」

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