今天看D.M.J. Tax的Data description toolbox (dd_tool)手册,里面有一段简单的测试代码:
- x=oc_set(gendatb([50,10]),"1")
- scatterd(x,"legend")
- w=svdd(target_class(x),0.1,8)
- plotc(w)
- w=svdd(x,0.1,8)
- plotc(w)
一开始会出现上篇《PRtools模式识别工具箱关于version运行出错》 问题,得以解决。最终运行图像如下:
- x=oc_set(gendatb([500,100]),"1")
- scatterd(x,"legend")
-
- % svdd mapping
- % FRACREJ:弃真(第I类)错误10%
- % SIGMA:8
- w=svdd(x,0.1,8)
- plotc(w,"r*")
-
- % FRACREJ:弃真(第I类)错误10%
- % SIGMA:4
- w=svdd(x,0.1,4)
- plotc(w,"r--")
-
- % gauss mapping
- % FRACREJ:弃真(第I类)错误10%
- w=gauss_dd(x,0.1)
- plotc(w,"b--")
结果图: