question: public CorrelationMatrix ( DataSet dataSet ) { super ( Collections . unmodifiableList ( dataSet . getVariables ( ) ) , dataSet . getCorrelationMatrix ( ) , dataSet . getNumRows ( ) ) ; if ( ! dataSet . isContinuous ( ) ) { throw new IllegalArgumentException ( "Data set not continuous." ) ; } if ( DataUtils . containsMissingValue ( dataSet ) ) { throw new IllegalArgumentException ( "Please remove or impute missing values." ) ; } }
target:  Constructs a new correlation matrix from the the given DataSet.