Which value does the statement return?
You are using MADlib for Linear Regression analysis. Which value does the statement return?
SELECT (linregr(depvar, indepvar)).r2 FROM zeta1;
Which data asset is an example of quasi-structured data?
Which data asset is an example of quasi-structured data?
What would be considered "Big Data"?
What would be considered “Big Data”?
What is the most appropriate model to use?
A data scientist plans to classify the sentiment polarity of 10, 000 product reviews collected from
the Internet. What is the most appropriate model to use? Suppose labeled training data is
available.
which lifecycle stage are test and training data sets created?
In which lifecycle stage are test and training data sets created?
what is the main objective?
When creating a presentation for a technical audience, what is the main objective?
Which analytical technique would be appropriate in this situation?
Your company has 3 different sales teams. Each team’s sales manager has developed incentive
offers to increase the size of each sales transaction. Any sales manager whose incentive program
can be shown to increase the size of the average sales transaction will receive a bonus.
Data are available for the number and average sale amount for transactions offering one of the
incentives as well as transactions offering no incentive.
The VP of Sales has asked you to determine analytically if any of the incentive programs has
resulted in a demonstrable increase in the average sale amount. Which analytical technique would
be appropriate in this situation?
what is used to focus the audience on a key part of a chart?
In data visualization, what is used to focus the audience on a key part of a chart?
Which word or phrase completes the statement?
Which word or phrase completes the statement? Data-ink ratio is to data visualization as
__________ .
Which rule has a confidence at least 50%?
Consider a database with 4 transactions:
Transaction 1: {cheese, bread, milk}
Transaction 2: {soda, bread, milk}
Transaction 3: {cheese, bread}
Transaction 4: {cheese, soda, juice}
You decide to run the association rules algorithm where minimum support is 50%. Which rule has
a confidence at least 50%?