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bp神经网络人口预测程序(matlab实现)

于 2020-12-14 发布 文件大小:59KB
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  上面的程序是可以通用的,只要你根据自己需要是可以修改用在其他地方的,基本思想就是用前lag年的人口数来预测下一年的人口,至于lag等于几你是可以自己改的。还有在对结果好坏的判断中,仅仅看误差图是不够的,如果是一个好的预测,那么自相关性图中除了0阶自相关外,其他的自相关系数系数都不应该超过上下置信区间。(The above program can be common, as long as you can modify it in other places, as long as you need it, the basic idea is to predict the population of the next year with the number of people in the previous lag years. As for lag, you can change it. In the judgment of the good and bad results, it is not enough to look at the error graph only. If it is a good prediction, the self correlation coefficient of the autocorrelation graph should not exceed the upper and lower confidence intervals except the 0 order autocorrelation.)

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bp神经网络人口预测程序(matlab实现).docx, 69005 , 2018-05-15

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