Correct Answer : source
Explanation : .Rbuildignore prevents files from the source package and appearing in the bundled package. It allows to have some extra directories in your source package that will not be included in the package bundle.
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.