@ Override public double getValueAt ( final U user , final int at ) { if ( userRecallAtCutoff . containsKey ( at ) && userRecallAtCutoff . get ( at ) . containsKey ( user ) ) { return userRecallAtCutoff . get ( at ) . get ( user ) / userTotalRecall . get ( user ) ; } return Double . NaN ; }
Method to return the recall value at a particular cutoff level for a given user .