y(x) : y(x) = bo + b1x,
bo - , b1 - x y. , , bo b1 :
ϳ b b1 ' y x R ( ):
/R/ , y(x). R b1 ( b1>0, R > 0 ). , , /R/≥ 0,7.
2. , () y(x1;x2), : y = bo + b1x1 + b2x2. , y(x), bo, b1, b2 :
(x'1i)2 b1 + (x'1ix'2i)b2 = (x'1iy'i)
(x'2ix'1i)b1 + (x'2i)2 b2 = (x'2iy'i)
:
x'1iy'i = (x1iyi) N
(x'1i)2 = (x1i)2 N()2
x'2iy'i = (x2iyi) N
x'1ix'2i = (x1ix2i) N
(x'2i)2 = (x2i)2 N ()2
ϳ , , (10) - (14) , ' (9) bo, b1, b2 .
b1 y = bo + b1x1 " ", x1 y x2 y ( b1).
, b1 y = bo + b1x1 + b2x2 " " ( - " "), x1 y, x2 y. b2. ', ( ) .
2. .
, , :
1) :
2) , , :
3) ( ):
³
( ) ( ). Գ j .
R ( ). , , R, . , , :
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1. ., . . .,, 1973, - 832.
2. ., - . . ., , 1977, - 432.
3. .. -
. . .: , 1977. 31 .
4. .. -
. . .: , 1977. 29 .
5. . 7.100.403 " " / . .., .., .. - : , 2006. - 28 .