def cal_recom_result(sim_info,user_click):
'''
recom by itemcf
Args:
sim_info:item sim dict
user_click:user click dict
Return:
dict,key:userid value dict,value_key itemid,value_value recom_score
'''
recent_click_num=3
topk=5
recom_info={}
for user in user_click:
click_list=user_click[user]
recom_info.setdefault(user,{})
for itemid in click_list[:recent_click_num]:
if itemid not in sim_info:
continue
for itemsimzuhe in sim_info[itemid][:topk]:
itemsimid=itemsimzuhe[0]
itemsimscore=itemsimzuhe[1]
return recom_info
来自 “ ITPUB博客 ” ，链接：https://blog.itpub.net/3199/viewspace-3154413/ ，如需转载，请注明出处，否则将追究法律责任。
