* ITEM: A SURVEY ON THE MARGIN OF ERROR IN NHL PLUS/MINUS STATISTICS. Plus/minus was invented by the Montreal Candiens in the 1950s as a way to measure the two-way performance of NHL players. It’s now ...

Player Impact Plus-Minus (PIPM for short) is a plus-minus metric that I have been building out for nearly six months. It has finally reached a point where I am happy with the output along with the ...

Plus-minus has been around the NHL since the early 1960s. And its critics have been shouting it down ever since. Plus-minus is the most polarizing statistic in hockey. There’s no quicker way to draw ...