# How to Calculate Specificity?

With any test or statistic relevant to a certain group, calculating specificity is always important. Specificity will help one comprehend how effective a test can be when predicting a certain chang...
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http://www.ehow.com/how_8309111_calculate-specificity.html

## How to Calculate Sensitivity, Specificity, Positive Predictive Value, and Negative Predictive Value?

For any given test administered to a given population, it is important to calculate the sensitivity[1], specificity[2], positive predictive value[3], and negative predictive value[4], in order to d...
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http://www.wikihow.com/Calculate-Sensitivity%2C-Specificity%2C-Positive-Predictive-Valu...

## How to Calculate TVP?

TVP, or Textured Vegetable Protein, is a registered trademark for a shelf-stable, protein-rich soy product made by Archer Daniels Midland. It is used as a meat substitute or a long-lived emergency ...
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http://www.ehow.com/how_7368838_calculate-tvp.html

## How to Calculate a P&L?

A Profit and Loss (P&L) statement summarizes the sales, costs, and expenses over a period of time to arrive at a final net profit or net loss value. Also known as the income statement or the statem...
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http://www.ehow.com/how_6400978_calculate-p_l.html

## How to Calculate COS?

The cosine, abbreviated as COS, is a ratio of sides of a triangle. When asked to calculate the "cosine OF angle X" you are finding the ratio of two sides relative to angle X. In the case of the cos...
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http://www.ehow.com/how_8411870_calculate-cos.html