用投影寻踪回归 (PPR)技术作害虫预测建模的因子综合和预测 ,正确率高达 80 % ,说明在害虫预测建模的因子综合和预测中 ,投影寻踪回归技术是适用的。 Projection pursuit regression (PPR) was used to make the factor synthesis and prediction of pest prediction modeling, with a correct rate of up to 80%. Projection pursuit regression technique is applicable in the factor synthesis and prediction of pest prediction modeling.