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 datasets created?
In which lifecycle stage are test and training datasets 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%?