What Fpp is
Fpp (False Positive Paradox) is a phenomenon in statistical analysis where a test result is falsely positive even though the probability of a false positive is very low. It occurs when the probability of a false positive is greater than the probability of a true positive.
Steps to calculate Fpp:
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Calculate the probability of a true positive (PTP) and the probability of a false positive (PFP).
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Calculate the odds ratio (OR) by dividing the PTP by the PFP.
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Calculate the Fpp by subtracting the OR from 1.
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The result of the Fpp calculation is the probability of a false positive when the probability of a true positive is 1.
Examples
- FPP can be used to analyze the impact of different control variables on a response variable in a regression model.
- FPP can be used to compare two or more populations with respect to a single variable or multiple variables.
- FPP can be used to compare the performance of different prediction models.
- FPP can be used to identify outliers in a dataset.