Correct Answer : apply(X, MARGIN, FUN, …)
Explanation : apply(x,2,max) finds the maximum for each column.
Correct Answer : Descriptive
Explanation : Descriptive is the simplest class of analytics. Predictive analytics can only forecast what might happen in the future because all predictive analytics are probabilistic in nature.
Correct Answer : Classification
Explanation : Classification techniques are widely used in data mining to classify data.
Correct Answer : SAS
Explanation : SAS (Statistical Analysis System) is a software suite developed by SAS Institute for advanced analytics.