Separating offensive and defensive performances

What makes Heracles and RKC the two extremes of the Eredivisie? What area does Marco van Basten need to work on at Heerenveen? Why does PSV stand out from the rest of the title contenders? And why is Vitesse not a true contender for the title?

The recently introduced method of computing Relative Shot Rates allows us easy answers to all of these questions. This method allows to separate offensive from defensive performances by looking at relative numbers of shots created and conceded.

Why are shots better than goals?

The simple answer is that shots are nearly ten times more frequent than goals. This means that it takes much more time to collected enough data when studying goals instead of shots. The average amount of goals scored by an Eredivisie team is around 1.6 per match, while the average amount of shots is around 13. In other words, the amount of shots during the 5th match round equals the amount of goals at the end of a 34-match season.

Lees verder.

11tegen11