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Author SHA1 Message Date
Shengwen Yang 3b9987ca9c Fix the issue 1474 (#1615) 
* Fix 1474

* Fix crash issue when saving and loading poisson model

* Rollback the wrong fix
 2016-09-29 19:29:47 -07:00
Shengwen Yang 7089301b62 Metrics for gamma regression (#1369) 
* Add deviance metric for gamma regression

* Simplify the computation of nloglik for gamma regression

* Add a description for gamma-deviance

* Minor fix
 2016-07-18 09:10:44 -05:00
Shengwen Yang 77d17f6264 Add support for Gamma regression (#1258) 
* Add support for Gamma regression

* Use base_score to replace the lp_bias

* Remove the lp_bias config block

* Add a demo for running gamma regression in Python

* Typo fix

* Revise the description for objective

* Add a script to generate the autoclaims dataset
 2016-07-06 10:22:46 -07:00
Shengwen Yang e034fdf74c Fix issue #1236: cli_main crashes when dumping count:poisson model (#1253) 2016-06-07 21:52:47 -07:00