Ø 볺;
Ø ;
Ø ( );
Ø ;
Ø .
, , , , .
̳ : .
ֳ:
.
, .
4.
, , , . , . , Touch , , . ( ), , , .
.
1.
, : . , :
N = b0 + b1 × ,
N .
b0 b1 :
m m
∑ ni = m × b0 + b1 ∑
i =1 i =1
m m m
∑ ni × = b0 ∑ + b1 ∑ 2
i =1 i = 1 i = 1
m .
:
m
∑
i = 1
M
.
1.
ni | *ni | 2 | ni2 | Ni | Ni - nc. | (Ni - nc.)2 | ||
458,3513 | -6,19419 | 38,36803 | ||||||
459,5901 | -4,95535 | 24,55554 | ||||||
460,8289 | -3,71652 | 13,81249 | ||||||
462,0678 | -2,47768 | 6,138885 | ||||||
463,3066 | -1,23884 | 1,534721 | ||||||
464,5455 | ||||||||
465,7843 | 1,23884 | 1,534721 | ||||||
467,0231 | 2,47768 | 6,138885 | ||||||
468,262 | 3,71652 | 13,81249 | ||||||
469,5008 | 4,95535 | 24,55554 | ||||||
470,7396 | 6,19419 | 38,36803 | ||||||
471,9785 | 7,43303 | 55,24997 | ||||||
Σ | 5581,978 | 224,0693 |
b0
|
|
5706= 12 × b0 + b1 × 828
374714= b0 × 828 + b1 × 59420
, :
b1 = -0,30971
b0 = 486,534841
, :
N = 486,5348410,30971×
(N) () . N = f() .2.
.2.
, , n, .
σ2 N
R2 =,
N
m
σ2 N , σ2 N = ∑ (Ni n.)2 / m;
i = 1
σ2n , σ2n = ∑ ni2 / m - ∑ni / m
=1 = 1
σ2 N = 224,0693 / 12 = 18,67
σ2n = 2895574 / 12 (5706 / 12) = 240822,5
R2 = 18,67 / 240822,5 = = 0,001203399
, R2 = 0,001203399, , ' .