Apparent infection rate
Hakindo mboros nannduɗo ko limto tolno yahrude yeeso ñawu nguu, tuugiingu e peeje potɗe huutoreede ngam ƴeewde no ñawu nguu yahrata e sahaaji ceertuɗi.
Ko adii fof, peeje potɗe e tolno ñawu nguu ina cuɓee ngam wonde metrik tolno ñawu nguu. Yeru, metrik ina waawi wonde keewal nokkuuji leɗɗe ɗe mboros oo toɗɗii walla keewal leɗɗe e nder yimɓe hollirooɓe mborosaaji maayɗi. Ndeen peeje tolno ñawu nguu ina ƴettee e nder sahaaji, tawa kadi ko mbaydi hiisiwal ina waɗee. Model oo tuugii ko e miijooji ɗiɗi :
yahrude yeeso ñawu nguu ina haɗee e keewal ƴiiƴam heddiiɗam ɗam ; be so tawiino ɗum rewaani laawol, keewal mboros oo ina hollita ɓeydagol esponensiyal.
Ina woodi parametru gooto r, woni tolno mboros nannduɗo. Ina waawi hiisaade e analitik huutoraade foormula
r
=
1
t
2
−
t
1
leɗɗe
e
[
x
2
(
1
−
x
1
)
x
1
(
1
−
x
2
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]
{\displaystyle r={\frac {1}{t_{2}-t_{1}}}\log _{e}\nano[{\frac {x_{2}(1-x_{1})}{x_{1}(1-x_{2})}}\nyaamo]}
ha toy
r woni limre infection nanndunde
t1 woni waktu fotde adannde
t2 woni waktu fotde ɗiɗaɓere
x1 woni keewal mboros fotnoo e sahaa t1
x2 ko keewal mboros fotnoo e sahaa t2
Ƴeew kadi
[taƴto | taƴto ɗaɗi wiki]Rajo odds
Limre jibinannde basis