問題1
Which chart type is the most effective way to show trends over time?
Which chart type is the most effective way to show trends over time?
正確答案: B
問題2
What does a leaf node represent in a decision tree?
What does a leaf node represent in a decision tree?
正確答案: D
問題3
What is a motivation for using a data analytics lifecycle?
What is a motivation for using a data analytics lifecycle?
正確答案: C
問題4
Refer to the exhibit.
You have scored your Naive bayesian classifier model on a hold out test data for cross validation and determined the way the samples scored and tabluated them as shown in the exhibit.
What are the Precision and Recall rate of the model?
Refer to the exhibit.
You have scored your Naive bayesian classifier model on a hold out test data for cross validation and determined the way the samples scored and tabluated them as shown in the exhibit.
What are the Precision and Recall rate of the model?
正確答案: C
問題5
What is a good use case for logistic regression?
What is a good use case for logistic regression?
正確答案: B
問題6
When is a Naïve Bayesian Classifier model for classification preferred versus a Logistic Regression model?
When is a Naïve Bayesian Classifier model for classification preferred versus a Logistic Regression model?
正確答案: A
問題7
What is Hadoop?
What is Hadoop?
正確答案: C
問題8
What is a recommended use case for regular expressions?
What is a recommended use case for regular expressions?
正確答案: B
說明：（僅 NewDumps 成員可見）
問題9
Which analytic technique would be appropriate to estimate home sale price in U.S. dollars as a function of square footage, number of bedrooms, and lot size?
Which analytic technique would be appropriate to estimate home sale price in U.S. dollars as a function of square footage, number of bedrooms, and lot size?
正確答案: C
說明：（僅 NewDumps 成員可見）
問題10
A data scientist is preparing a presentation for a meeting with the project's business sponsors. The distribution of per-sale revenue is an important finding from the analysis. The graphics illustrate four ways to plot the per-sale revenue distribution.."
Which graphic is most appropriate for the sponsor presentation?
A data scientist is preparing a presentation for a meeting with the project's business sponsors. The distribution of per-sale revenue is an important finding from the analysis. The graphics illustrate four ways to plot the per-sale revenue distribution.."
Which graphic is most appropriate for the sponsor presentation?
正確答案: A
問題11
What is LOESS used for?
What is LOESS used for?
正確答案: D
問題12
Match each task to its description.
Match each task to its description.
正確答案:
問題13
When would you use a Wilcoxson Rank Sum test?
When would you use a Wilcoxson Rank Sum test?
正確答案: A
問題14
Which analytical method is considered unsupervised?
Which analytical method is considered unsupervised?
正確答案: C
問題15
What is the format of the output from the Map function of MapReduce?
What is the format of the output from the Map function of MapReduce?
正確答案: B