, , ( = 9 11 % ) ( = 34 36 % ). ( ) ( ). , .
, , .
, , . ( () () ) (=911 %, =3436 %).
2 .
.
, ( ), , ( ).
() , n- , . N = 2n . .
b0, b1, b2, b12
y=b0+b1x+b2x++bnxx
Xi ( i=, ).
Xi Xi i. X=9%, =34%, =11, =36%.
.
,
i. Di , - . +1 -1,
xi0 ( );
xi ;
Dx .
|
|
0=10%, 0=35%, D=1% D=1%. = +1; = +1; = -1; =-1.
. (+1; +1), (+1;-1), (-1; +1), (-1; -1) .
, , (). n , 2n. .
1 .
Jj1,...,Jjm i- , 0 - .
1
0 | X | Yj | ||||
+1 | +1 | +1 | +1 | Y1 | 0,134 | |
+1 | +1 | -1 | -1 | Y2 | 0,130 | |
+1 | -1 | +1 | -1 | Y3 | 0,145 | |
+1 | -1 | -1 | +1 | Y4 | 0,142 |
.
bJ ;
m ;
Y ;
.
( ) ( ) y
y=b0+b1x1+b2x2+b12x1x2.
b0=(0,134+0,130+0,145+0,142)/4=0,138,
b1=(0,134+0,130-0,145-0,142)/4= -0,00575,
b2=(0,134-0,130+0,145-0,142)/4=0,00175,
b12=(0,134-0,130-0,145+0,142)/4=0,00025.
,
y=0,138-0,00575x1+0,00175x2+0,00025x1x2.
y. y ( ) 2- ( ).
, , , . , . , , .
. .
; , .