Personalized Item Recommendation Algorithm for Outdoor Sports

Table 1

User characteristic number expression.

Age	Education experience	Income	Gender	Marriage	Number expression
Under 25	High school and below	2000 and below	Male	Married	1
26∼35	Junior college	2000∼4500	Female	Unmarried	2
36∼45	Undergraduate	4500∼7000			3
46∼55	Master	7000∼11000			4
Above 56	Doctor	Above 11000			5