?a®ci aa a?aa?ci a a ?aYa?aa??? c ai aei©?a
ai¤ic
‚ ! F ai®a F «a§ia a®¤®F® F®a?®¤ aaac , a?? c??®a?aa®caiai
¬ a?c? c?aY«-ai¤?, a®¬a c ¦«?c®i i § ¤ c a a ?aYa?aa??? ae?a ai¤ic.
˜ ©!i«ie c aa® c¦?c ?¬? i a ?i ? a ¬Yaa?:
– aYaY¤i a?ae¬Ya?cY;
– ¤?a?Yaaii;
– aa ¤ aaY ci¤a?«Yi;
– ?®Yaeiaeiia ?®aY«iaeii;
‘YaY¤i a?ae¬Ya?cY
‘YaY¤i a?ae¬Ya?cY – ©!i«ie aicYaa «i a a ?aYa?aa?? ai¤a.
‡ a®¤¦Yi aYaY¤i®F®- aeY § ¬i caia c ai a !aaa ?a®i aYaY¤®i
cY«?c?®i.
Xcp=(X1+X2+X3+…Xn)/n
Xcp- aYaY¤i a?ae¬Ya?cY;
n- ?i«i?iaai Y«Y¬Yaic ai¤a.
„?a?Yaaii
‘YaY¤i a?ae¬Ya?cY ¤ i ?YaeY § F «iY ?®iaai ?a® aa?a?iaai cY«?-
c?, e® c?cc iaiai.?¤ ? c® Y ¤ i aic«Yi ?a® §¬iic iaai ai¤a
‚Y«?c? ci¤a?«Yi ci¤ aYaY¤i®F® a ??¬ ?®? §??®¬ a«a¦?a? Y ¬®¦Y
!® ca¬ ci¤a?«Yi ci¤ aYaY¤i®F® § c¦¤? aic a«i. ™®! ci¤a?«Yi
ci¤ aYaY¤iF® ¬®F«? !aa? ¬ia®i §¬iic ®aai, Y®!ai¤® §ci«i?a?ai
ci¤ ia § ? , e® ¤®aiF iaiai ?i¤YaYi¬ ia c ?c ¤a a. ˜®§¤i«?ce?
aa¬a ?c ¤a aic ia § F «iY c?a«®, ®aa?¬ i¬® aYaY¤i© ?c ¤a a ci¤-
a?«Yi, i??© ?a?©ia® §?c a? ¤?a?Yaaiii.
S2=sum(Xi-Xcp)^2/(n-1)
‘a ¤ aaY ci¤a?«Yi
‘a ¤ aaY, !® aYaY¤i ?c ¤a a?cY ci¤a?«Yi S ®aa?¬aiai e«ia®¬
¤®!ac i ?c ¤a a®F® ?®aYi § ¤?a?Yaaii.
S=sqrt(S2)
?®aY«iaeii
„® ae?a ?ia ¬? F®c®a?«? ?a® ®aei?a ®?aY¬?a c?a«®c?a ai¤ic, ®¤ ? c aa®
?®aai!® ®aeiic a? c§ i¬®§ci§®? ¬i¦ ae ?a®a ¬?,e® c?cc iaiai.„«i aei®F®
c??®a?aa®caiai ?®aY«iaei©?© «i§.˜ ©c aaieY ?®¦®¬a § cYi ®¤®F®
?a?§ ?a, i??© ?a?©ia® §?c a? ae ?a®ai «i?¬, ci¤?®ci¤ i aei«?© ai¤
§ cYi ie®F® ?a?§ ? -aY§a«ia a?c®F®.’ ?i §ci§?? ?a?©ia® §?c a?
?®aY«iaei©?¬?.
‚ i?®aai c?a«®c®F® ?®? §?? aia®a? §ci§?a ?a®aa®i «ii©®i ?®aY«i-
aeii c??®a?aa®caiai c?a«® i?Y §?c iai ?®Yaeiaeiia®¬ ?®aY«iaeii
r=sum(Xi-Xcp)*(Yi-Ycp)/sqrt(sum(Xi-Xcp)^2*sum(Yi-Ycp)^2)
‡ cYi ?®Yaeiaeia ?®aY«iaeii ¬®¦aai ?®«?c a?ai ci¤ +1 ?a? ?ai¬®¬a
aea?aei® «i®¬a §ci§?a ¤® -1 ?a? ®!YaY®¬a aea?aei® «i®¬a §ci§?a.
˜a? abs(r)=0.20-0.30 ?®aY«iaei©?© §ci§®? a« !??©;
abs(r)=0.50-0.60 aYaY¤i;
abs(r)=0.80-0.90 a?«i ;
abs(r)=1 !a®«ia ;
abs(r)=0 ci¤aaai.
Нашли опечатку? Выделите и нажмите CTRL+Enter
