C2020-930 Exam Questions

Which statement is correct about the Reclassify node?

You want to illustrate the strength of the relationship between blood pressure and prescription drug to which a patient responded. The blood pressure variable has been binned into...

You need to score future data using an association model. Which statement describes the data format requirement to do this?

When describing data, which two nodes address value types? (Choose two.)

You have a data set with two different date fields (columns). Your analysis requires you to create a new field which is the number of calendar days elapsed between these two dates....

Which statement is true about association models?

Your analysis requires you to export data in a tab delimited file. Which export node will you use to accomplish this task in IBM SPSS Modeler Professional?

What are two purposes of model nuggets? (Choose two.)

You are hired by a large corporation to perform advanced analytics on their human resources data. One of the fields available in this data set is employee salary. You need to conve...

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?

The Analysis node can be very useful with regard to model evaluation. Consider this output from the Analysis node. When comparing the overall accuracy of the Neural Net model to th...

Which nodes are best suited for revealing relationships between categorical (nominal, ordinal) fields? (Choose two.)

Suppose you wanted to select only the records with complete data on all the fields for analysis and need to generate a Select node to perform that operation. Which other node shoul...

The Select node shown below performs which operation?

What are the advantages of pruning Decision Tree models? (Choose three.)

What are the options for defining outliers in the Data Audit node? (Choose two.)

In the Aggregate node, when you click on Preview button, which statement is true?

In Sequence modeling, specifying that IDs are contiguous has which effect?

In the Two Step node shown below, what does Standardize numeric fields mean?

Which key items must be identified before a data mining project is started? (Choose three.)

What is the function of the Ensemble node?

Some data mining models such as Neural Net and Support Vector Machine models do not provide equations or rules to help analysts determine how the models use the input fields for pr...

In the Logistic node, can a Multinominal Mode/ option be used when the target is a flag field?

Which Source node would you use to read text from a free-field (delimited) text file?

In order to make Decision Tree models more general, avoid overfitting, and make the trees less complex, what would you need to change in the dialog below? (Choose two.)

True or false: business objectives are the origin & every data mining solution.

Using the Linear node, what are the advantages of creating a standard model without boosting or bagging? (Choose two.)

Assume you have four fields, 4, A, C and D and you wish to find the sum of the values even if there are $null$ missing values in one or more fields. Which expression would accompli...

Assume you have two data files: a personnel file with information about employees and a second file with information about performance categories. You will use IBM SPSS Modeler to...

A histogram chart is used to graph fields of which measurement type?

Which statement is correct regarding the Sample node dialog shown below?

Generally speaking, to modify values in columns of a working data file, you would use nodes from which palette or menu group?

Which nodes can be used to replace missing data with valid values? (Choose two.)

Given the following Output Table - to create a Select node which includes vehicles from both groups 4 and B, click on 4 and on B (as shown) and select from the menu:

True or false: missing values can be specified in the Source node used to read the data or in the Type node.

The Anomaly node is on which palette or menu group?

In a Derive node, which expressions will produce a continuous date lype rather than a string? (Choose two.)

True or false: a Database Export node can be used to write data to more than one database table in the same operation.

When using the Algorithm method to replace missing values in Data Audit output, which algorithm is used?

Which statement is the correct interpretation of the rule: "those that use less than or equal to 4.976 of LOCAL are predicted to be InVol"?

Examine the output generated by the K-Means clustering model. Study the results of the Distribution node relating the clusters created by K-Means to the outcome (dependent) field c...

Which of the following is the biggest advantage of using a data cache?

The Feature Selection node is used for what reasons? (Choose two.)

True or false: in the PCA/Factor node when doing a Principal Components analysis without rotation, the values reported in the Component Matrix represents the correlation between ea...

Which statement accurately describes the function of the Coerce data check setting on the Type node?

After using the Binning node and Optimal binning method on Debt to income ratio using Previously defaulted as the Supervisor Field. we observe in the Matrix table the following rel...

Summary statistics, such as mean, minimum, maximum, and standard deviation, are available in which of the following nodes? (Choose two.)

As a default, the Evaluation node provides a graph of the first category of your target field. To change the category, you need to modify which section?

Which stage of the CRISP-DM (Cross Industry Standard Process for Data Mining) methodology is the most time consuming?

Which statement about the Filler dialog shown below is correct?