new function
...
dasf
svd recommender
svd recommender
...
Merge branch 'master', remote-tracking branch 'oschina/master'

Conflicts:
	src/iot/lane/alipaycontest/firstseason/DataAnalyze.java
	src/iot/lane/alipaycontest/firstseason/package-info.java
Merge pull request !502 from Mike Tang/master
Merge branch 'master' of http://git.oschina.net/hulei660066/AlipayContest.git

Conflicts:
	src/iot/lane/alipaycontest/firstseason/package-info.java
Merge branch 'master', remote-tracking branch 'oschina/master'
wanted to find out the relationship between mark buy and shopping car
the washed data
add some code 


Signed-off-by: MikeCoder <mikecoder13@gmail.com>
...
lr
tunning lr
/*	当前使用指标
 * 	0:Intercept;截距
	1:item Click2purchaseRate;代表特定商品所用用户点的平均点击转换率。
	2:item trand;描述商品销售趋势，基于商品销售量。
	3:user trand;描述用户活跃趋势，基于用户购买量。
	4:user-item click2PurchaseRate；代表此用户点击此商品的点击转换率。
	5:user-item Purchase/user buy；此用户购买此商品的个数占用户购买商品数的百分比,代表用户对此商品的喜好程度。
	*/
* 当前使用指标 item购买频率 item点击频率 user购买频率 user点击频率 item-user购买频率 item-user点击频率
rewrite 周期性商品
Merge branch 'master', remote-tracking branch 'oschina/master'
a
Conflicts:
	result/users