[Retracted] Modeling and Analysis Method of National Fitness Big Data for Basketball Projects Based on a Multivariate Statistical Model

Table 1

Comparison of prediction performance of three big data technologies.

Big data technology	The effect of regression analysis
	Squared correlation coefficient (r^2)	Root mean squared difference (RMSE)
Immune selection optimization algorithm	0.9813	0.11
Particle swarm optimization algorithm	0.9473	0.21
Elman neural network	0.6851	0.36