From: Analysis of international traveler mobility patterns in Tokyo to identify geographic foci of dengue fever risk
Rater A
Yes
No
Total
Marginal
Rater B
a
b
a+b
P1.=(a+b)/N
c
d
c+d
P2.=(c+d)/N
a+c
b+d
N
P.1=(a+c)/N
P.2=(b+d)/N