New Zealand election 2017: Poll of polls shows tight raceStuff's poll of polls uses a different method than others. The Stuff poll of polls differs from others by giving weight to each poll based on how recent it is. HOW OUR POLL OF POLLS WORKSThe Stuff poll of polls is an average of the most recent of each of the public political polls in New Zealand. The Stuff poll of polls differs from others by giving weight to each poll based on how recent it is. Any poll 36-70 days old carries a weight of 0.67, 70-105 days old a weight 0.33 and polls greater than 105 days old carry no weight in the average.

Source: Stuff July 28, 2017 02:48 UTC