同学让帮忙做一个因子分析的程序，刚开始一头雾水，不知从何处下手，在网上找了很长时间，收集到一个PPT以及参考别人的一段程序终于搞懂了，并调通程序。因此把PPT以及程序均传上来供大家参考。-Students so that help to do a factor analysis of the program, just confused and I do not know where to start, and on the Internet for a long time, collected

读取netCDF格点资料的Fortran测试程序，通过读取指定netCDF文件，生成相应的Fortran源代码- Test program to read any netCDF file. by Barry Schwartz October 1993

这是一个关于卡方检验的数学算法，函数都已经写好，只需要传递参数就能得出结果。-This is a mathematical algorithm for the chi square test, functions have been written, and only need to pass the parameters can get results.

心电波形通过30HZ低通滤波器，中值去基线漂移后的波形，通过窗口法提取波形峰值-get the peaks of ECG wave by 30HZ low pass filter firstly,baseline processing,and window methos.