READ Free Dumps For EMC- E20-007

Question ID 16164	You have used k-means clustering to classify behavior of 100, 000 customers for a retail store. You decide to use household income, age, gender and yearly purchase amount as measures. You have chosen to use 8 clusters and notice that 2 clusters only have 3 customers assigned. What should you do?
Option A	Decrease the number of clusters
Option B	Increase the number of clusters
Option C	Decrease the number of measures used
Option D	Identify additional measures to add to the analysis
Correct Answer	A

Explanation

Question ID 16165	You have been assigned to perform a study of the daily revenue effect of a pricing model of online transactions. All data currently available to you has been loaded into your analytics database. This includes revenue data, pricing data, and online transaction data. You discover that all data comes in different levels of granularity. The transaction data has timestamps consisting of day, hour, minutes, and seconds. Pricing is stored at the daily level and revenue data is only reported monthly. What is the next step?
Option A	Report back to the business owner that the current data model does not support the business question.
Option B	Interpolate a daily model for revenue from the monthly revenue data.
Option C	Aggregate all data to the monthly level in order to create a monthly revenue model.
Option D	Disregard revenue as the key reason in the pricing model and create a daily model based on pricing and transactions only.
Correct Answer	A

Explanation

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