If outliers could scream, would we be so cavalier about removing them from our history, and excluding them from our statistical forecasting models? Well, maybe we would – if they screamed all the time, and for no good reason. (This sentiment is adapted from my favorite of the many Deep

While insufficiently endowed to be called a "get rich quick" scheme, here is a good way to pocket an extra $5,000 for your holiday shopping budget, and contribute to the body of forecasting knowledge. For the ninth straight year, SAS announces funding of two $5,000 research grants to be awarded

I'm back in the office after two enjoyable days at the Internet Summit in Raleigh, NC. (I hadn't seen that many nerds since the family reunion on my dad's side.) Among the many good sessions was one about building your blog audience by making the blog more search friendly. The

Many forecasting software packages support hierarchical forecasting. You define the hierarchical relationship of your products and locations, create forecasts at one or more levels, and then reconcile the forecasts across the full hierarchy. In a top-down approach, you generate forecasts at the highest level and apportion it down to lower

Perhaps the toughest time in anyone's life is when you have to put away a loved one because they've been possessed by the devil. Other than that, though, I've had a good week*. And my week turns even better today, as we all join hands to celebrate World Statistics Day.

A little off the topic, but can anyone explain the theory of password security to me? Specifically, how does requiring me to periodically change my password improve security? Like most of you, on some of my online accounts I am reminded every few months that I must change the password.

The Fall issue of Foresight is available this month, and includes a review of The BFD (the book). Here is Editor Len Tashman's preview: Books reviewed in Foresight in the past have fallen into two categories: those that serve as textbooks, largely emphasizing forecasting methods, and general-interest books, that offer

No matter how much we want it, and no matter how hard we try, we can’t always achieve the forecast accuracy desired. Forecasting Heads or Tails in the toss of a fair coin gives the perfect illustration (being right 50% of the time is all we can achieve over a

When Marilyn Manson sang of “The Beautiful People,” I think it was about how symmetry of facial features makes a person more visually attractive. At least that was the message I got out of the song. But unfortunately, even facial symmetry cannot compensate for an insufferable personality, as both Marilyn

Did the North Carolina Department of Motor Vehicles regain its sanity? Or was this just another tease? As you recall from last year, my application for “THE BFD” personalized license plate was accepted – then rejected – even though that extra $30 fee could have eased at least some of