How are HockeyAnalysis ratings (HARO, HARD, HART) calculated?

Every now and again someone asks me how I calculate HARO, HARD and HART ratings that you can find on stats.hockeyanalysis.com and it is at that point I realize that I don’t have an up to date description of how they are calculated so today I endeavor to write one. First, let me define HARO, HARD and HART. HARO – Hockey Analysis Rating Offense HARD – Hockey Analysis Rating Defense HART – Hockey Analysis Rating Total So my goal when creating then was to create an offensive defensive and overall total rating for each and every player. Now, here is a step by step guide

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Statistical view of Lidstrom's last few seasons

Lidstrom has officially announced his retirement from the NHL ending what was one of the best, if not the best, NHL career by an NHL defenseman, and for that matter one of the best careers of any NHL player.  Bobby Orr may have been a better and more dynamic defenseman in his prime but Lidstrom was the dominant defenseman during his time in the NHL and had the longevity that Bobby Orr never had.  In fact, Lidstrom was still a dominant defenseman in the NHL into his 40’s.  Since I have the data readily available, let’s take a look at

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