Caculates the kappa statistic with an option of weights
1 2 |
x |
vector of first grades |
y |
vector of second grades |
lev |
vector with levels of x and y grades |
nlev |
number of levels. If NULL, length of lev is used |
wgt |
weights to be used. If NULL, nlev is used |
cantgrade |
string which specifies 'Cannot Grade' |
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