The estimates of the autocorrelations are shown for 5 lags. The backward elimination of autoregressive ... The stepwise autoregressive process is performed using the Yule-Walker method. The maximum ...

Forget Santa: Icelandic children are visited at Christmas by 13 mischievous trolls or “Yule Lads”, the offspring of a murderous ogress called Grýla. Every year, children leave shoes in their ...

It's a time-honored William & Mary tradition to cast aside the year's woes by tossing a sprig of holly into the flames of the Yule log. In recent years, students have created a new tradition of ...

The story goes that in the 13 days before Christmas, 13 trolls - known as the Yule Lads - come down from the mountains. You might not see them, but they like to play tricks on people! They leave ...