There are two main possibilities to aggregate series:

### 1. *Aggregate* analysis

Specify the period over which you want to aggregate the series. You also have the option of making this a rolling sum.

### 2. Formulas

AggregateSum(series)

Sums up all values from the start of the series.

AggregateSumAnnual(series)

Sums up values of a series on a yearly basis.

Sum(series)

Sums up all values of a series. The output is a single figure, the total sum.

Sum(series, window)

Sums up series over a rolling window.