虽然是很基础的东西,但是很少有参考书涉及到这一块,所以很多人都误解为EViews不能做分布图。全部是自己编程的,拿出来和大家分享学习。
标准正态分布
workfile u 8001
series x=-4+0.001*@trend
series y=@dnorm(x)
series z=@cnorm(x)
xyline x y z
Binomial 分布
workfile u 1001
series zero=0
series x=zero+0.01*@trend
series y=@dbinom(x,10,0.1)
series z=@cbinom(x,10,0.1)
scat x y z
T分布
workfile u 101
series p=0.001+0.00999*@trend
series x=-5+0.1*@trend
series y=@dtdist(x,100)
series z=@ctdist(x,100)
xyline x y z
Chi-square 分布
workfile u 101
series p=0.001+0.00999*@trend
series x=0.1*@trend
series y=@dchisq(x,1)
series z=@dchisq(x,10)
xyline x y z
F分布
workfile u 101
series x=0.1*@trend
series y=@dfdist(x,5,5)
series z=@dfdist(x,10,10)
xyline x y z