Description Usage Arguments Value Author(s)
Two methods are provided to detect the unusual questions.
See method for details.
1  | flag(set, value, method = "outlier", thres)
 | 
set | 
 a vector to identify the question set  | 
value | 
 a numeric vector, usually is the correct percentage.  | 
method | 
 "cluster" or "outlier". "cluster" uses hierarchical 
clustering method, and cut the tree by the parameter   | 
thres | 
 the threshold of the height of hclust.  | 
a vector of asterisks to mark the questions
Xiaoyue Cheng <xycheng@iastate.edu>
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