[R] missclassification in estimating proportions

[David Winsemius]

On Oct 2, 2013, at 12:15 AM, pattebegga wrote:

> Hi
> 
> Assume that I want to compare two methods, say skinfold measurement and BMI,
> in how they classify subjects into four categories. In a 2x2 table I would
> simply calculate sensitivity and specificity and NPV an PPV, using the
> standard formulas, but can the same be directly applied in the 4x4 table


> Or are other methods preferable?

 This is the wrong place for this question, please send your statisical question to a venue where this would be on topic, or if this is homework, then consult your instructor.

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David Winsemius
Alameda, CA, USA