An Efficient Stock Recommendation Model Based on Big Order Net Inflow

Table 1

The surveying contents of investor.

	Denoted contents	Range
	The age range of investor	1, 5]
	The funds amount of investor that can be used to invest	1, 5]
	The investment purposes of investor	1, 4]
	The duration of your general investment	1, 4]
	The maximum loss that you can accept within one year	1, 5]
	The selection of four portfolio average returns with the best and worst of earnings in the next three years	1, 4]
	The annual income change of your family in next five years	1, 4]
	The ratio of domestic consumption expenditure share of total income monthly in your family	1, 5]
	The highest risk products that you have invested before	1, 4]
	The annual income of your family	1, 5]
	The number of years since you invest	1, 4]
	The type of your work	1, 5]