:
- ( )
-
:
-
-
14. , R = 0,15 ( ). , , . ? , n = 25.
:
1. H0: Corr (X,Y) = 0 vs. H1: Corr (X,Y) 0
2.
3. t(n-2)
4. . .
15. , = 0,15 ( = ). , , . ? n = 25.
:
1. H0: Corr (X,Y) = 0 vs. H1: Corr (X,Y) 0
- . -1,96 1,96, H0 .
16. ?
- , , . .
17. , .
1. - .
2. .
3. .
18. , ( ).
, - .
19. ?
( ) .
20. ?
1.
2. Icicle plot ( ).
21. , . (, )?
1) d (O i, O j) > = 0
2) d (O i, O i) = 0
3) d (O i, O j) = 4*) d (O i, O j)= d (O j, O i)
1) .
2) a b b c a c.
3) a b b a. ( )
22. () ?
1.
2.
3.
4.
23. 2 (2 ). : , , .
|
|
: dist =
: dist =
: dist = Max
Q1 = x1(1) Q2 = x2(1)
x1(2) x2(2)
x1(3) x2(3)
x1(4) x2(4)
1) :
d=√ (x1(1) -x2(1))2 + (x1(2) -x2(2))2 +(x1(3) -x2(3))2 +(x1(4) -x2(4))2 ( )
2)
d= ∣x1(1) -x2(1)∣ + ∣x1(2) -x2(2)∣+ ∣x1(3) -x2(3)∣+ ∣x1(4) -x2(4)∣
3)
d= max ⎨∣x1(1) -x2(1)∣ + ∣x1(2) -x2(2)∣+ ∣x1(3) -x2(3)∣+ ∣x1(4) -x2(4)∣⎬( , )
24. ( )?
, 0, 0, . 24.