Hi Gábor, thanks a lot
Best, Marc > Am 17.04.2017 um 20:32 schrieb Gábor Gévay <[email protected]>: > > Hello Marc, > > You can group by edge, and then sum: > > edges > .groupBy(0,1) // make first two fields a composite key > .sum(2); // sum the value field > > This will turn multiple edges that have the same source and target > into one edge, whose value will be the sum of the values of the > original group of edges. > > Best, > Gabor > > PS.: Sorry for the duplicate email, I accidentally sent my previous > email only to you instead of the mailing list. > > > > > On Mon, Apr 17, 2017 at 5:46 PM, Kaepke, Marc > <[email protected]> wrote: >> Hi, >> >> how can I sum and reduce multiple edges in my entire graph? >> >> e.g. my input graph looks like (source-ID, target-ID, value): >> (1, 2, 30) >> (1, 2, 10) >> (2, 1, 55) >> >> And I need: >> (1, 2, 40) >> (2, 1, 55) >> >> >> Thanks! >> Marc
