, . , , . , , , . .
:
Y1 = f1 (1, 2,..., n) =
= f1 (, ,..., , , ,..., ,..., , ,..., )
, .
, , , . , . , AID (, THAID CHAID . 2.5.3.2 2.5.3.3 ). . .
1 , (, , ), 2 (, , ), Y , . , , , ( ) ( ), , . , THAID CHAID.
, . , , . , , . , , ( 02 = 0, 12 = 1). . , .
, -, , , ´ ( ).
, ..
. . (12). , , 0,1 0,6 , , (1) (2) (Y) . . , . , , 1 2 , , , , 1 2 , , . : , , 10%, (0,1)´10% =1% (.. 1%). 10%, (0,6)´10 % = 6%.
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, , , . .. (generalized linear model, GLM), , , .. -. , , Y . , , [Agresti, 1996. Ch.4; Demaris, 1992. Ch.4; Menard, 1995].
, :
m = a + b1X1 + b2X2+ + bkXk.
. , Y m. . : , xi . , x3 = x1 x2 x1 x2 Y. x3 = x1 Y.
. . , . . , (link function) g,
g(m) = a + b1x1 + b2x2+ + bkxk.
g (g(m) = m, identity link), . g (log link), , :
log(m) = a + b1x1 + b2x2+ + bkxk.
, (.. -, ; ) ( ).
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.. - (logit link), g :
- (logit model). , Y . ( Y, q = (1) ) ,
, g . , X.
. (, ).
..
(X) = a + b
( , ). , , , , ( ).
. . 2.6.4 . , . , . , .
II
I