Quote:
Originally Posted by Textcritic
I think it depends entirely on tbe system employed, and on the developers. Do we even know how this particular system works?
Without even knowing their definition I don't know how you can make such a claim. This depends entirely on what constitutes a bad goal, the criteria used to arrive at that definition, and the reasons for using these specific criteria. The fact is, you have no idea whether or not a "bad goal" is arbitrary because you have no idea how it has been measured. It's just a label. But I would expect given that the criteria in this case were developed by actual goalies and people who track actual goalies, then it is probably pretty reliable.
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The kinds of people who think "bad goals" is a good label for a stat probably shouldn't be trying to do stats.
I also think the fact these guys are claiming there's a goalie who didn't let in a single bad goal basically confirms that these people probably shouldn't try to be working with stats.
The idea that just having expertise in a field can make you proficient in statistics related to that field is also nonsense. It's not even in the ballpark of being sufficient.