Which three actions should you perform?

You have a dataset that has multiple blocks and only numeric variables.You are computing in a local compute context.You plan to lag a variable named x to create a new variable named x_lagged by using a transform function. Youwill create a new element in the output of the function.You need to minimize the number of […]

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You need to reduce the amount of time required to estimate each model without losing any information in the predictors.

You are running a large logistic regression for 1,000 feature variables by using the LoisticRegression() functionin the MicrosoftML package. All of the predictor variables are numeric.Currently, you specify the input variables separately by using the following formula.Outcome ~ Feature000 + Feature001 + Feature002 + … + Feature999You discover that it takes 20 minutes to estimate […]

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Which statement should you use for each environment?

DRAG DROPYou need to set the compute context for three different target environments.Which statement should you use for each environment? To answer, drag the appropriate statements to thecorrect execution contexts. Each statement may be used once, more than once, or not at all. You may need todrag the split bar between panes or scroll to […]

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Which R code segment should you use?

You plan to analyze data on a local computer. To improve performance, you plan to alternate the operationbetween a Microsoft SQL Server and the local computer.You need to run complex code on the SQL Server, and then revert to the local compute context.Which R code segment should you use? A. sqlCompute <- RxInSqlServer(connectionString = “Driver=SQL […]

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Which function should you use?

You have a slow Map Reduce job.You need to optimize the job to control the number of mapper and runner tasks.Which function should you use? A. RxComputeContext B. RxHadoopMR C. rxExec D. RxLocalParallel Show Answer

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