question: public double calculateLogLikelihood ( ) { double logL = 0.0 ; for ( Statistic statistic : dataList ) { for ( int j = 0 ; j < statistic . getDimension ( ) ; j ++ ) { logL -= Math . log ( statistic . getStatisticValue ( j ) ) ; } } return logL ; }
target:  Calculate the log likelihood of the current state.