Grid Aggregate C++ Sequence Methods

All Grid Aggregate C++ Sequence methods take an integer interval argument and produce a result sequence containing the calculated aggregate for each interval.

Sequence<T> gridAggMax(mco_size_t interval) const	Returns the result sequence of the same TYPE with the maximum value for each interval of elements
Sequence<T> gridAggMin(mco_size_t interval) const	Returns the result sequence of the same TYPE with the minimum value for each interval of elements
Sequence<R> gridAggSum(mco_size_t interval) const	Returns the result sequence of the same TYPE with the sum of each interval of elements
Sequence<double> gridAggAvg(mco_size_t interval) const	Returns the double result sequence with the average of each interval of elements
Sequence<double> gridAggVar(mco_size_t interval) const	Returns the double result sequence with the variance of each interval of elements
Sequence<double> gridAggVarSamp(mco_size_t interval) const	Returns the doubleresult sequence with the sample variance of each interval of elements
Sequence<double> gridAggDev(mco_size_t interval) const	Returns the double result sequence with the standard deviation of each interval of elements
Sequence<double> gridAggDevSamp(mco_size_t interval) const	Returns the doubleresult sequence with the sample standard deviation of each interval of elements

Example

Following is an example code snippet demonstrating a grid aggregate method:

         
    {
        mco_trans_h trans;
        mco_cursor_t quote_cursor;
        Quote quote;
        MCO_RET rc;
        ...
        rc = mco_trans_start(db, MCO_READ_ONLY, MCO_TRANS_FOREGROUND, &trans);
        if ( MCO_S_OK == rc )
        {
         
            for (rc = mco_cursor_first(trans, &quote_cursor); 
                rc != MCO_S_CURSOR_END; 
                rc = mco_cursor_next(trans, &quote_cursor)) 
            {
                quote.from.cursor(trans, &quote_cursor);
                 
                // Calculate the maximmum close price for each week
                print_sequence(quote, quote.close_iterator().gridAggMax(7));
            }
            mco_trans_rollback(trans);
        }
    }