In SAS Enterprise miner Gradient boosting, for a binary target using square loss function and best assesment value = average square error, I get , the scoring code these two variables are initialized _ARB_F = 1.09944342 and _ARBBAD_F = 0 For a interval target I found _ARB_F is initialized mean of my target variable but in the case of binary target how is _ARB_F initialised please help?
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