Research on College Students' Physical Health

摘要

Use the distinguish analysis of multivariate statistical analysis to set up classification model of college boys and girls physical health comprehensive evaluation. From the result which is got from prediction sample's inspection on model, we can see, model discrimination's overall positive rate and predict positive rate are all above 90%, it indicates that this established discriminate model is effective. Furthermore it is proved by the practical application of sample recovery, sample which is calculated buy models is consist with its actual category. This shows model's actual discrimination ability is an ideal, it has actual meaning to evaluate college student's physical health level. Based on the college students' physical health construct comprehensive evaluation classification model, students six indexe3d will be led into the model, so students' current physical health will be known. Teachers can practice group teaching according to the student's individual differences. They adopt multiple evaluation system to determine its athletic intensify with target to have a pertinent guidelines and improve students physical health level continuously. Meanwhile, teachers can predict their health development trend and make some corresponding exercise prescription according to the students' constitution in two types of intersection area.