EMT Practice Test

1. Question Content...


Question List

Question1: You need to export data using IBM SPSS Modeler Professional.
Which two nodes should be used to accomplish this task? (Choose two.)

Question2: How many stages are there in the CRISP-DM process model?

Question3: You have optimized four models that do not meet your performance goals. You believe that by mergingthese models together you would achieve better performance.
Which node would allow you to accomplish this task?

Question4: What is a unique capability of scripting in IBM SPSS Modeler Professional?

Question5: 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.
Which node should be used to remove these fields?

Question6: Your data contains 5,000 sales transactions across twelve regions.
Which node would reduce your data, showing the average sales amount for each region?

Question7: 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 functionality?

Question8: You are working on a project where the business objective is to increase customer retention. You havecompleted the Data Preparation stage of the CRISP-DM process model.
What is the next stage?

Question9: What are two purposes of model nuggets? (Choose two.)

Question10: You have duplicate records that must be removed from a data set in IBM SPSS Modeler Professional.
The appropriate node to perform this action would be found in which palette tab?

Question11:
Referring to the exhibit, respectively, which field is the predicted value and what is the confidence that you have in the prediction?

Question12: Which modeling node is supported in both Auto Classifier and Auto Numeric modeling nodes?

Question13: Which task is part of the Data Understanding stage of the CRISP-DM process model?

Question14: 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?

Question15: 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 accomplish this task?

Question16: A customer has a large data set with no target variables or known results and is looking for a good approach for understanding more about groups within the data set.
Which two IBM SPSS Modeler Professional node applications represent a correct approach to accomplish this task? (Choose two.)

Question17: What is a type of SuperNode within IBM SPSS Modeler Professional?

Question18: Which statement is true about association models?

Question19: You are provided with a data set that includes daily maximum temperatures at an airport. Your analysis requires you to create a new field containing the maximum temperature from five days ago.
Which node would be used for this purpose?

Question20: You are provided two data sources which both contain event IDs and the date/time that the events occurred.
Which node will merge these two data sources?

Question21: Which two statements are true about linear regression? (Choose two.)

Question22: 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?

Question23:
Referring to the exhibit, from which node is the output generated and on which data does it show greater accuracy?

Question24: 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 you to accomplish this goal? (Choose two.)

Question25: Which statement is correct about automated modeling nodes in IBM SPSS Modeler Professional?

Question26: A telecommunication company wants to predict their customers' purchase decisions from four service options (categorical value).
Using IBM SPSS Modeler Professional, which modeling node should be used?

Question27: 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 produce this actual vs. predicted model evaluation?

Question28: What is the primary purpose of the Partition node in a modeling effort?

Question29: What is an accurate description of the purpose of data segmentation?

Question30: Besides providing a new predicted value, which additional task would some modeling nuggets perform?

Question31: 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 node will you use to accomplish this task?

Question32: You need to score future data using an association model.
Which statement describes the data format requirement to do this?

Question33: 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 the same variables and settings used to build the original model nugget.
Which capability in the modeling nuggets in the Models palette will you use for this purpose?

Question34: 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. The column. Drug, is a character field that describes the medication. You need to find out which proportion of the patients responded to each drug.
Which node should be used?

Question35: You have executed a model node which has generated a model nugget connected to your stream's data source.
What will allow the stream to score data with this new nugget?

Question36: When describing data, which two nodes address value types? (Choose two.)

Question37: 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? (Choose two.)

Question38: 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 convert raw salary information into percentile rankings within the corporation.
Which node will you use to accomplish this task?

Question39: 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 ten values.
Which node should be used?

Question40: An online film streaming company is interested in building a movie recommendation model by analyzing the historical film watching pattern of its customers. For example, analysis of the historical data may reveal that all the customers who watched movie A and movie B, also had a high likelihood of watching movie C.
This information can then be used to recommend movie C to all future customers who watch movies A and
B.
Which modeling node would be used to build such a movie recommendation model?

Question41: You are in the Business Understanding stage of the CRISP-DM process.
Which task is part of this stage?

Question42: Which two types of missing values are automatically recognized by IBM SPSS Modeler Professional without being explicitly defined by users? (Choose two.)

Question43: 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.
Which palette tab would be used in this scenario?

Question44: 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?

Question45: 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.)

Question46: 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 information. There are no addresses which do not belong to a customer, there are customers which have no address, and there are customers which have multiple addresses.
Which type of join will display all customers who have no recorded address?

Question47: Which statement is correct about the Reclassify node?

Question48: Which capability would be achieved by only creating a SuperNode in IBM SPSS Modeler Professional?

Question49: There are two database tables which contain data that is needed for analysis. One table contains information pertaining to customer names, customer I Ds. and their age. The other table contains customer IDs and customer address information.
Which node would be used to combine this data into a single data set for use?

Question50: Which two modeling techniques handle both categorical and continuous target variables? (Choose two.)

Question51: 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 missing data. The records containing incomplete information should be excluded from analysis.
Which node will exclude the undesired records?

Question52: 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 this using a single node?

Question53: An organization wants to determine why they are losing customers.
Which supervised modeling technique would be used to accomplish this task?

Question54: 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?

Question55: Which palette contains the Data Audit node?

Question56: 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 in the Web logs. The data miner wants to determine the frequency distribution of the age of their customers. The Age column is acontinuous field.
Which node would you use to accomplish this task?

Question57: You need to output only a list of field names, arranged in a single column, for a reporting function. You have already imported the data using a Database node and know it has 25,000 records.
Which node sequence would yield the desired output?

Question58: 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 1 million cases to use for training purposes.
What is the correct approach to test for improving performance?

Question59: 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?