question: public boolean removeEntry ( T e ) { if ( e == null ) return false ; boolean removed = mYVals . remove ( e ) ; if ( removed ) { float val = e . getVal ( ) ; mYValueSum -= val ; calcMinMax ( mLastStart , mLastEnd ) ; } return removed ; }
target:  Removes an Entry from the DataSets entries array. This will also recalculate the current minimum and maximum values of the DataSet and the value-sum. Returns true if an Entry was removed, false if no Entry could be removed.