( t -):
(53.41)
: r = 0,517, = 10,4%, s2 = 1,79 F = 121. F > F =2,85 α = 0,05, v1 = 6, v2 = 14, β1, β2, β3, β4 .
( 0: β1 = β2 = β3 = β4 = 0 α = 0,05, , .. H0: β j = 0 (j = 1, 2, 3, 4), , , 0,05, α = 0,1. α = 0,1, v = 14 t = 1,76, , (53.41), β1, β2, β3.
, , ,
(53.42)
(53.41) (53.42), , f4 f5, b0 = 9,52, b1 = 0,93, b2 = 0,66 tj (j = 0, 1, 2, 3).
. (53.22), (53.23) (53.41), (53.42).
(53.42) , F = 194 > F = 3,01, α = 0,05, v1 = 4, v2 = 16. , tj > t . = 1,746, α = 0,01, v = 16 j = 0, 1, 2, 3. r = 0,486 , 48,6% .
(53.42) = 9,99% s2 = 1,91.
(53.42) (53.23) : r = 0,486 > r = 0,469; = 9,99% < () = 10,5% s2(f) = 1,91 < s2(x) = 1,97. , (53.42) , (53.23) (x1 4). , (53.42) , f3, (x1,..., 5) 8,6%. f3 (53.42) : r = 0,349; = 12,4% s2 (f) = 2,41. (53.23).
|
|
, .
. , , , , , . , , , .. .
, , (), , .
( ), .
( ) , , .. .
, .
, , , .
, , , (, , ).
, .
. , k . (). k - .
* (**, ), - ( ).
* Clster (.) , - .
** (.) .
, . , (, ) , .
|
|
, .
, , , .. .
, , , . , , , .
k . , . , , , , .
.
rij i - j -.
( ) , X, , , .
. , , : , . .