Correct Answer : plyr
Explanation : sqldf uses SQLite syntax. Plyr will split-apply-combine paradigm for R. Forecast is a generic function for forecasting from time series or time series models. The function invokes particular methods which depend on the class of the first argument.
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.
