This set of guidelines is however by no means universally accepted; Landis and Koch supplied no evidence to support it, basing it instead on personal opinion. The equation for κ maximum is:19
where
P
exp
=
i
=
1
k
P
i
+
P
+
i
{\displaystyle P_{\exp }=\sum _{i=1}^{k}P_{i+}P_{+i}}
, as usual,
discover here P
look at this now
max
=
i
=
1
k
min
(
P
i
+
P
+
i
)
{\displaystyle P_{\max }=\sum _{i=1}^{k}\min(P_{i+},P_{+i})}
,
k=number of codes,
P
i
+
{\displaystyle P_{i+}}
are the row probabilities, and
P
+
i
{\displaystyle P_{+i}}
are the column probabilities..