simple avg is biased in favor of volatile locations

来源: njrookie 于 2014-03-21 12:38:53 [] [旧帖] [给我悄悄话] 阅读数 : (112 bytes)
回答: 数字来源 Federal Housing Finance Administration 由 万枫 于 2014-03-21 10:29:55

price 100 - > 50 - 100

ret: -50%, 100%
avg: 25%



 
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