Log Ctr Mean

Slice:	neural_network_over_dssm_factors
Index:	168
Name:	LogCtrMean
Group:
Description:	Weighted mean of log(query_clicks)/log(query_shows) for given host. Weights are proportional to log(query_shows) + 0.2.
Tags:	TG_STATIC TG_HOST TG_USER TG_USER_SEARCH TG_USER_SEARCH_ONLY TG_USER_EXT_DATA TG_L2
Authors:	tsimkha
Responsibles:	tsimkha akhropov