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PER has to be a per minute or per 48 minute (there is no difference) stat, so you can compare two players who play a different number of minutes. The whole idea of the number is to be able to compare players, even of different (pace) eras.
I suspect the difference in PER values on 82games.com and Hollinger's numbers are a matter of process. Hollinger may be looking at summary team stats, while 82games.com crawls game play-by-play logs. I would think the former are more accurate, but the latter provides the ability to figure out things like top five-man floor units. However, there may be rounding error in the minutes played in the summary stats, since a guy can play 24:15 and maybe they only add 24 to the total minutes played.
I did send 82games.com an email asking about the PER difference. They've responded to me in the past. I'll post what they send me.
I suspect the difference in PER values on 82games.com and Hollinger's numbers are a matter of process. Hollinger may be looking at summary team stats, while 82games.com crawls game play-by-play logs. I would think the former are more accurate, but the latter provides the ability to figure out things like top five-man floor units. However, there may be rounding error in the minutes played in the summary stats, since a guy can play 24:15 and maybe they only add 24 to the total minutes played.
I did send 82games.com an email asking about the PER difference. They've responded to me in the past. I'll post what they send me.
