C2090-930 Exam Questions
60 real C2090-930 exam questions with expert-verified answers and explanations. Page 1 of 2.
- Question #1Modeling Techniques
You need to determine whether a variable should be removed in the stepwise variable selection methods in logistic regression. Which two metrics are used to accomplish this task? (C...
logistic regressionstepwise selectionWald statisticvariable removal - Question #2Modeling Techniques
An organization wants to determine why they are losing customers. Which supervised modeling technique would be used to accomplish this task?
customer churnsupervised modelingmodel selectionassociation rules - Question #3Data Preparation
Your data contains 5,000 sales transactions across twelve regions. Which node would reduce your data, showing the average sales amount for each region?
Aggregate nodeDerive nodedata summarizationregional grouping - Question #4IBM SPSS Modeler Environment
Which task is part of the Data Understanding stage of the CRISP-DM process model?
CRISP-DMData Understandingprocess model stagesdata exploration - Question #5Model Evaluation and Deployment
You have a model nugget in the Models palette, but the stream used to create the model is not available. You want to refresh the model by rebuilding it on a new data set, but using...
model nuggetModels paletteGenerate Modeling nodemodel rebuild - Question #6Model Evaluation and Deployment
You have designed a model predicting the goals scored for each player in the World Cup and now want to evaluate the model using held-out scoring data. Which node is designed to pro...
Analysis nodeactual vs predictedmodel evaluationheld-out scoring - Question #7IBM SPSS Modeler Environment
You are working on a project where the business objective is to increase customer retention. You have completed the Data Preparation stage of the CRISP-DM process model. What is th...
CRISP-DMstage sequenceData Preparation stageprocess methodology - Question #8Data Preparation
What is an accurate description of the purpose of data segmentation?
data segmentationdata groupingsubsetssimilar attributes - Question #9Model Evaluation and Deployment
Referring to the exhibit, respectively, which field is the predicted value and what is the confidence that you have in the prediction?
output field namingpredicted valueconfidence scoremodel output fields - Question #10IBM SPSS Modeler Environment
When using IBM SPSS Modeler Professional, you want to organize your streams, annotations, stream output, and results within the interface. Which two tabs within Modeler will allow...
Modeler interfaceCRISP-DM tabModels tabproject organization - Question #11Modeling Techniques
Which modeling node is supported in both Auto Classifier and Auto Numeric modeling nodes?
Auto ClassifierAuto NumericNeural Netautomated modeling nodes - Question #12Modeling Techniques
A telecommunication company wants to predict their customers' purchase decisions from four service options (categorical value). Using IBM SPSS Modeler Professional, which modeling...
logistic regressioncategorical targetmultinomial classificationnode selection - Question #13Data Exploration and Visualization
You are attempting to flag outliers in a data set across multiple fields. In IBM SPSS Modeler Professional, what would be the appropriate node to use?
outlier detectionAnomaly nodePCA Factormultiple fields - Question #14Modeling Techniques
Which two modeling techniques handle both categorical and continuous target variables? (Choose two.)
CHAIDC5.0decision treestarget variable types - Question #15IBM SPSS Modeler Environment
What is a unique capability of scripting in IBM SPSS Modeler Professional?
scriptingSuperNode creationautomationModeler capabilities - Question #16Data Preparation
Which two types of missing values are automatically recognized by IBM SPSS Modeler Professional without being explicitly defined by users? (Choose two.)
missing valuesnull valuesNaNsystem-missing - Question #17IBM SPSS Modeler Environment
You are in the Business Understanding stage of the CRISP-DM process. Which task is part of this stage?
CRISP-DMBusiness Understandingproject planstage tasks - Question #18Data Exploration and Visualization
When describing data, which two nodes address value types? (Choose two.)
Data Audit nodeType nodevalue typesdata description - Question #19Data Preparation
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....
Derive nodedate calculationelapsed daysfield creation - Question #20Modeling Techniques
Which statement is true about association models?
association modelsApriori nodeCarma nodeconsequent fields - Question #21IBM SPSS Modeler Environment
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?
export nodesflat filetab delimiteddata export - Question #22Model Evaluation and Deployment
What are two purposes of model nuggets? (Choose two.)
model nuggetsscoringmodel propertiespredictions - Question #23Data Preparation
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...
data transformationpercentile rankingfield derivationsalary data - Question #24Modeling Techniques
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?
clusteringmarketing analyticsdata segmentationcampaign optimization - Question #25Modeling Techniques
A client has a business goal of increasing units sold by 10 percent. Which two data mining objectives would be consistent with their business goal? (Choose two.)
CRISP-DMbusiness understandingdata mining objectivesgoal alignment - Question #26Data Preparation
You have a data source which provides many fields needed for data scoring. Some of these fields are not needed after the scoring is complete for the rest of the stream to operate....
filter nodefield removaldata streamcolumn selection - Question #27Data Preparation
You have a large amount of data from which you want to build a model. Although many of the records of data are complete, there are substantial amounts of records which contain miss...
select nodemissing datarecord filteringdata cleaning - Question #28Data Preparation
There are two database tables which contain data that is needed for analysis. One table contains information pertaining to customer names, customer IDs. and their age. The other ta...
merge nodetable joiningdata integrationcustomer data - Question #29IBM SPSS Modeler Environment
How many stages are there in the CRISP-DM process model?
CRISP-DMmethodology stagesdata mining process - Question #30Model Evaluation and Deployment
You want to create a Filter node to keep only a subset of the variables used in model building, based on predictor importance. Which menu in the model nugget browser provides this...
model nuggetpredictor importancefilter nodevariable selection - Question #31IBM SPSS Modeler Environment
Which palette contains the Data Audit node?
Data Audit nodeoutput palettenode paletteIBM SPSS Modeler - Question #32IBM SPSS Modeler Environment
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?
CRISP-DMbusiness understandingproject lifecycledata mining process - Question #33Model Evaluation and Deployment
Besides providing a new predicted value, which additional task would some modeling nuggets perform?
model nuggetsconfidence valuesprediction qualitymodel scoring - Question #34IBM SPSS Modeler Environment
You need to export data using IBM SPSS Modeler Professional. Which two nodes should be used to accomplish this task? (Choose two.)
export nodesdatabase nodeflat file nodedata export - Question #35Data Preparation
You have two data sets. One data set contains customer name and age information along with a customer ID. The second data set contains the customer ID along with address informatio...
join typesouter joinmissing recordsdata merging - Question #36Modeling Techniques
What is the primary purpose of the Partition node in a modeling effort?
partition nodetraining datatesting datamodel building - Question #37Data Preparation
You want to calculate the difference between the minimum and maximum values of some of your data fields. Which feature or mode of the Aggregate node would allow you to calculate th...
aggregate noderange calculationmin maxaggregate expressions - Question #38Data Preparation
You have a data set with numeric fields (columns) that contain null values. You want to replace each of these null values with the value of zero. Which node will you use to accompl...
filler nodenull valuesmissing data replacementdata cleaning - Question #39Data Exploration and Visualization
An e-retailer conducting a data mining project has limited an initial study to approximately 30,000 customers who have registered on the site. There are still millions of records i...
histogramfrequency distributioncontinuous fielddata visualization - Question #40IBM SPSS Modeler Environment
You need to produce a variety of data files that will be viewed in external applications outside of IBM SPSS Modeler Professional, such as IBM SPSS Statistics or Microsoft Excel. W...
export paletteexternal applicationsdata filesIBM SPSS Statistics - Question #41Modeling Techniques
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...
class imbalanceBalance nodeEnsemble nodemodel performance - Question #42Modeling Techniques
Which statement is correct about automated modeling nodes in IBM SPSS Modeler Professional?
Auto Numericautomated modelingLinear modelsAuto Classifier - Question #43IBM SPSS Modeler Environment
Which capability would be achieved by only creating a SuperNode in IBM SPSS Modeler Professional?
SuperNodestream managementnode groupingModeler interface - Question #44Data Exploration and Visualization
You have collected data about a set of patients, all of whom suffered from the same illness. During their course of treatment, each patient responded to one of five medications. Th...
Distribution nodecategorical datafrequency proportionSim Fit node - Question #45Data Preparation
Which statement is correct about the Reclassify node?
Reclassify nodecategorical transformationnominal fieldsfield operations - Question #46Data Exploration and Visualization
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...
Web nodeassociation visualizationbinned variablesrelationship strength - Question #47Model Evaluation and Deployment
You need to score future data using an association model. Which statement describes the data format requirement to do this?
association modelstabular datatransactional datamodel scoring format - Question #48Model Evaluation and Deployment
Referring to the exhibit, from which node is the output generated and on which data does it show greater accuracy?
model accuracyStatistics nodetraining testing splitmodel evaluation - Question #49Data Preparation
You want to obtain a subset of data from a larger data set, with equally represented subgroups within the subset. Which node would you use to accomplish this task?
Sample nodestratified samplingbalanced subgroupsdata subset - Question #50Data Exploration and Visualization
The auditor of a credit bureau wants to verify that credit scores are between 100 and 800. Which two nodes would accomplish this task? (Choose two.)
Data Audit nodeStatistics nodedata validationrange verification