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What is one modeling or descriptive statistical function in MADlib that is typically not provided in a standard relational database?
What is one modeling or descriptive statistical function in MADlib that is typically not provided in a standard relational database?A . Linear regressionB . Expected valueC . VarianceD . QuantilesView AnswerAnswer: A
What is another component?
Trend, seasonal, and cyclical are components of a time series. What is another component?A . IrregularB . LinearC . QuadraticD . ExponentialView AnswerAnswer: A
Which action would you take?
You have created a Linear Regression model to predict total sales based on variables M, N, P and Q as shown in the graphic. You originally expected all variables to have positive coefficients. Which action would you take?A . Accept all variables and begin model validation steps against holdout dataB...
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?A . Figure AB...
Which word or phrase completes the statement? Emphasis color is to standard color as _______.
Which word or phrase completes the statement? Emphasis color is to standard color as _______.A . Main message is to contextB . Main message is to key findingsC . Frequent item set is to itemD . Pie chart is to proportionsView AnswerAnswer: A
What is the confidence of the rule (gloves -> hat)?
Consider these itemsets: (hat, scarf, coat) (hat, scarf, coat, gloves) (hat, scarf, gloves) (hat, gloves) (scarf, coat, gloves) What is the confidence of the rule (gloves -> hat)?A . 75%B . 60%C . 66%D . 80%View AnswerAnswer: A
What is the null hypothesis that should be used to evaluate the model?
Your risk analysis team has access to new customer financial data. You want to use this data to improve your prediction of credit default. Previously, the team was using only credit bureau scores, loan size, and customer income to assess risk of default. What is the null hypothesis that should...
Since R factors are categorical variables, they are most closely related to which data classification level?
Since R factors are categorical variables, they are most closely related to which data classification level?A . nominalB . ordinalC . intervalD . ratioView AnswerAnswer: A
What is the value of the conditional probability, P(C|A)?
A fair six-sided die is rolled. Let A denote the event that an odd number is rolled. Let C denote the event that a 1, 2, or 3 is rolled. What is the value of the conditional probability, P(C|A)?A . 2/3B . 1/2C . 1/3D . 1/4View AnswerAnswer: A
Which Hadoop service is responsible for requesting resources for, and monitoring the completion of, MapReduce processes?
Which Hadoop service is responsible for requesting resources for, and monitoring the completion of, MapReduce processes?A . Application ManagerB . NameNodeC . Application MasterD . DataNodeView AnswerAnswer: C
