:Pearsonϵ

ʽ:
TestTPearson(x,y,a)
TestTPearson(x,y)

x:ĵһ
y:ĵڶ
a:ˮƽ,ĬΪ0.05

˵:
1xyͬάľ,Ԫظ3

2ִϷ4ֽ.-2ʾxyݵһûб仯,xyϵ,Ҳ޷;-1ʾxyϵR2Ϊ1,޷ñԼ;0ʾ(ϵԲ);1ʾ(ϵûԲ)

3㷨ԭ t=R*((n-2)/(1-R^2))^0.5 t,RΪPerasonϵ,nΪ.


ο://˳.ͳۡӦú[M].пƼѧ,人,2005:31-33

:

//2,,ϵĹϵ
//A:50,100,120,180,175,203,230,300,310
//B:35,50,56,68,70,100,130,180,200

//ˮƽΪ0.05,ִ´ɵ

x=[50,100,120,180,175,203,230,300,310];
y=[35,50,56,68,70,100,130,180,200];
f=TestTPearson(x,y,0.05)//سõ½,ӽԿ,ϵ
f =
[ 1.00000000000000 ]