[Retracted] Data Mining Method of Intelligent Market Management Based on Collaborative Recommendation Algorithm

Table 1

Statistics of experimental data set.

Data set		MovieLens-1M	Amazon-baby	MovieLens-100K
User project interaction	#ofuses	6,040	52,672	943
	#ofitems	3,629	14,257	1,682
	#ofinteractions	836,478	270,718	100,000
	#sparsity (%)	96.10	99.96	93.71