Description Usage Arguments Details Value Author(s) Examples
ROC curve areas, variances, and p-values for datasets in which the
cases have ordinary random controls (i.e. not matched on any
characteristic). The ROC areas and corresponding variances are
estimated by the method of Delong et al. The data may derive from
multiple datasets. Comparisons of different variables in a dataset
compare the ROC curve areas relative to the controls. Comparisons
of different datasets uses only the responses from each dataset
and do not involve the random controls. It is the responsiibility
of the caller to remove NA
values from the arguments.
1 |
response |
logical vector identifying cases or character
vector or factor vector with |
variables |
a |
origin |
|
origin.levels |
optional character vector of origin levels |
A matrix of ROC curve areas and variances.
list
with elements ‘ROC’ giving a matrix of
ROC curve areas, ‘var’ giving a list of variance
matrices, and ‘pvalues’ giving a list of matrices
containing pvalues for various contrasts.
Charles Berry
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