Pair Features  | User Features  | Brand Features  | |
Counting Features  | action#  | action#  | action#  | 
action day#  | action day#  | action day#  | |
valid click#  | distinct action brand#  | distinct action user#  | |
valid click day#  | distinct first action brand#  | distinct first action user#  | |
action per brand per day#  | action per user per day#  | ||
CVR Features  | cvr (buy#, click#)  | cvr (buy#, click#)  | cvr (buy#, click#)  | 
cvr (buy day, click day)  | cvr (buy day#, click day#)  | cvr (buy day#, click day#)  | |
cvr (distinct buy brand#, distinct click brand#)  | cvr (distinct buy user#, distinct click user#)  | ||
Ratio Features  | ratio (click#, click day#)  | ratio (click a#, click b#) X C52  | ratio (click a#, click b#) X C52  | 
ratio (buy#, buy day#)  | ratio (buy a#, buy b#) X C52  | ratio (buy a#, buy b#) X C52  | |
Flag Features  | action flag  | action flag  | action flag  | 
other rules  | |||
Global Features  | first / last action day  | first / last action day  | |
first / last buy day  | first / last buy day  | first / last buy day  | |
active range length  | frequent user ratio  | 
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