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PEGACPDS88V1 Certified Pega Data Scientist 88V1 Questions and Answers

Questions 4

To configure an adaptive model, the responses that indicate specific customer behavior must be identified. What types of behavior need to be identified?

Options:

A.

Positive and negative behavior

B.

Any behavior

C.

Positive behavior only

D.

Positive, neutral, and negative behavior

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Questions 5

U+ Bank introduces a new credit card that has no historical customer behavior data. U+ Bank wants to offer this credit card on the personalized web portal. Given the scenario, which rule type must you use?

Options:

A.

Decision table

B.

When rule

C.

Adaptive model

D.

Pega machine learning model

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Questions 6

Lift is key metric for the performance of the adaptive models.

To measure lift, you need a____________

Options:

A.

Standard model as a benchmark

B.

Control group with random actions

C.

Control group with a new action

D.

New adaptive model

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Questions 7

Which statement best describes the goal of Next-Best-Action?

Options:

A.

Ensure that the customer is always given a desirable offer

B.

Balance customer needs with business objectives

C.

Ensure that every customer receives the same action

D.

Provide insight into business processes

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Questions 8

What are two of the results of an adaptive model? (choose two)

Options:

A.

Performance

B.

Evidence

C.

Priority

D.

Segment

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Questions 9

The result of a Predictive Model is stored in a property called__________.

Options:

A.

pyPrediction

B.

pxResult

C.

pyOutcome

D.

pxSegment

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Questions 10

The likelihood that a proposition will be accepted by the customer is stored in the strategy property called_______.

Options:

A.

pyPropensity

B.

pyLikelihood

C.

pyProbability

D.

pyBehavior

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Questions 11

To enable an assessment of its reliability, the Adaptive Model produces three outputs: Propensity, Performance and Evidence. The performance of an Adaptive Model that has not collected any evidence is_________.

Options:

A.

1-0

B.

null

C.

0.5

D.

0.0

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Questions 12

The purpose of predictions is to______________

Options:

A.

build adaptive models

B.

monitor the success rate of individual actions

C.

add best data scientist practices to adaptive models

D.

add predictors to adaptive models

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Questions 13

The adaptive model component in a decision strategy computes

Options:

A.

A single propensity value for all actions

B.

A unique accept rate for each action

C.

A single accept rate for all actions

D.

A propensity value for each action

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Questions 14

U+ Insurance uses Pega Process AI™ to route complex claims to an expert. As a data scientist, you have used the wizard to create a prediction with Case completion as the outcome to help with decision routing. You are tasked with monitoring the adaptive models. When you open the monitoring tab of the adaptive model rule, you see the following chart:

In this scenario, the system creates an adaptive model for each

Options:

A.

case type instance

B.

case type

C.

case type step

D.

case type stage

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Questions 15

Predictive Analytics is a________________

Options:

A.

real time predictive dashboard

B.

method of visualizing our data___________________

C.

science concerned with finding repeatable patterns in

D.

query, reporting and a search tool

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Questions 16

To optimize their customer interactions, U+ Bank routes all emails that are complaints to a specialized department. To identify emails that voice a complaint, the text prediction uses___________

Options:

A.

An entity extraction model

B.

a topic model

C.

a language model

D.

a sentiment model

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Questions 17

Which property is automatically recomputed for each decision component?

Options:

A.

Property

B.

Rank

C.

Order

D.

Priority

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Questions 18

Predictions combine predictive analytics and best practices in data science. As a data scientist, what is a valid reason to adjust the default response timeout in a prediction?

Options:

A.

Suit the use case

B.

Optimize the success rate

C.

Increase lift

D.

Limit the number of responses

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Questions 19

The decision components use on the strategy canvas can be individually configured.

Which function is available when configuring the Group By component?

Options:

A.

Multiply

B.

Divide

C.

True if Some

D.

Count

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Questions 20

When building a model using Pega machine learning, the validation hold-out set is used to____________and to____________. (Choose Two)

Options:

A.

select the best model

B.

train the models_____________________

C.

check for robustness of candidate models

D.

compare their performance

E.

analyze the performance characteristics of candidate models

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Questions 21

What two tasks does a system architect need to perform to export historical data? (Choose Two)

Options:

A.

Switch to a resilient repository

B.

Set the sample percentage for positive and negative outcomes

C.

Export the data set

D.

Validate the predictors used by the adaptive models

E.

Create a data set

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PCDS |

Exam Code: PEGACPDS88V1
Exam Name: Certified Pega Data Scientist 88V1
Last Update: Feb 26, 2024
Questions: 140
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