Type I & Type II Errors and Statistical Power
Rick Gilmore
2020-02-02 12:03:00
Purpose
To discuss Type I and Type II errors and how they relate to the idea of statistical power.
Making decisions
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Setting decision thresholds
- Goal: Minimize the probability of making errors
- Types of errors
- False positives: Nothing’s going on, but we say otherwise (Type I)
- False negatives: Something’s going on, but we miss it (Type II)
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