You are analyzing a time series and want to determine its stationarity. You also want to determine the order of autoregressive models.How are the autocorrelation functions used?
Which word or phrase completes the statement? A spreadsheet is to a data island as a centralized database for reporting is to a ________?
What is one modeling or descriptive statistical function in MADlib that is typically not provided in a standard relational database?
In which phase of the data analytics lifecycle do Data Scientists spend the most time in a project?
You are testing two new weight-gain formulas for puppies. The test gives the results:Control group: 1% weight gain -Formula A. 3% weight gain -Formula B. 4% weight gain -A one-way ANOVA returns a p-value = 0.027What can you conclude?
You are using MADlib for Linear Regression analysis. Which value does the statement return?SELECT (linregr(depvar, indepvar)).r2 FROM zeta1;
