1ܣάݣѰҾƥʾʽ֪ݣҿܵĹʽʽ

2ڹʽƥʱơ

3ƽ
:һΪ1ľ,洢ʽ
Ա:һm*nľÿһδ洢Աݣmʾݸ롾Աһ£nʾԱ

ޡ:ѡֵϽƽֻͣƽͲڴֵʱŻᱻ
R^2ޡ:ѡֵƥ乫ʽPearsonϵƽȽ,˱ֵС1,ֻƥСڴֵʱ,Żᱻ.
ʽơ:ƥ乫ʽ
ޡ:ƥ乫ʽδ֪
ޡ:ƥ乫ʽδ֪

ǰ㡿:㵱еǰƥĹʽ
ǰƥ䡿:ǰĹʽ
ǰ:ǰб
ǰ:ǰ㵽ƽ
ǰR2:㵱еǰ㹫ʽĽPearsonϵ,עȡPearsonϵƽ.

С:мƥ䵽С.
R2:мƥ䵽Pearsonϵƽֵ.

ֹͣ:,ɵ˰ťֹ.
ҡ:ʽ

ơ:ڼУɶԵǰѡниƵ
鿴:ڼУɶԵǰѡнв鿴
桿:Եǰѡеȫʽб.
4
//3,312ݵĹϵ
1.00000000000000    1.64742564300421    1.58731597549623
2.00000000000000    2.95490859446810    2.21912069815170
3.00000000000000    2.34084212609606    7.55383315847899
4.00000000000000    3.02322930657455    1.99264423548833
5.00000000000000    4.53239320709016    8.26982960955698
6.00000000000000    6.42694178941983    7.78694011633608
7.00000000000000    6.68435525087842    2.17055849832043
8.00000000000000    8.93710996859572    2.87270380783486
9.00000000000000    8.48708930168631    6.56432058036529
10.0000000000000    10.0964554003889    0.29833260937516

//1,ǰ2бΪһ,3бΪһ,
a =
[ 1.00000000000000    1.64742564300421
  2.00000000000000    2.95490859446810
  3.00000000000000    2.34084212609606
  4.00000000000000    3.02322930657455
  5.00000000000000    4.53239320709016
  6.00000000000000    6.42694178941983
  7.00000000000000    6.68435525087842
  8.00000000000000    8.93710996859572
  9.00000000000000    8.48708930168631
  10.0000000000000    10.0964554003889 ];
z =
[ 1.58731597549623
  2.21912069815170
  7.55383315847899
  1.99264423548833
  8.26982960955698
  7.78694011633608
  2.17055849832043
  2.87270380783486
  6.56432058036529
  0.29833260937516 ];
//2򿪡ʽڣдzԱдaĬãҡɼ
//3 y =a1+a2*x1+a3*x2,x1x2ֱӦԱĵ12ݣyӦݡ