() ( )
(-)
, .
. Y, X1,X2,...,Xp . X1 = x1,X2 = x2,...,Xp = xp
y(x1,x2,...,xp) = E(Y | X1 = x1,X2 = x2,...,Xp = xp) ( ),
y(x1,x2,...,xp) Y X1,X2,...,Xp, Y X1,X2,...,Xp, .
Y X1,X2,...,Xp Y X1,X2,...,Xp. X1 = x1,X2 = x2,...,Xp = xp Y .
, Y X1,X2,...,Xp, Y X1,X2,...,Xp ( ).
( )
Y = b0 + b1X1 + b2X2 +... + bNXN ( ), . , Y ( , , ):
(M ). , , Y = y(x1,x2,...xN).
:
:
. - variatio, , , . , , , .
, .
: , , , .
|
|
: , , .
R. , :
( ) - , , . .
d, , . . , .
()
()
, , , , , . . , , . , .
, .
:
. ( ), .
, , (V), , .
( ), ( ), ( ) , , .
:
VR - ; - ; - .
, V , .
. , . , 33% ( , ).
|
|