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17zuoye / pyirt

A python library of IRT algorithm
MIT License
99 stars 54 forks source link

a little fix on xrange; some math rewrite #2

Closed wlbksy closed 8 years ago

landscape-bot commented 8 years ago

Code Health Code quality remained the same when pulling 978e3ed on wlbksy:master into 6aaa63a on 17zuoye:master.

junchenfeng commented 8 years ago

expPos的修改应该不是等价的。前面是c + (some math)，c是常数。这里应该写个unit test，你的改写会fail掉。但是我理解你修改的意思了。

wlbksy commented 8 years ago

自己推了一下公式，好像是这样的。估计是我推错了，我再看看

wlbksy commented 8 years ago

image