PPV: The positive predictive value of a decision process or...

Description Usage Format Details References See Also Examples

Description

PPV defines some decision's positive predictive value (PPV): The conditional probability of the condition being TRUE provided that the decision is positive.

Usage

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Format

An object of class numeric of length 1.

Details

Understanding or obtaining the positive predictive value PPV:

References

Consult Wikipedia for additional information.

See Also

comp_PPV computes PPV; prob contains current probability information; comp_prob computes current probability information; num contains basic numeric parameters; init_num initializes basic numeric parameters; comp_freq computes current frequency information; is_prob verifies probability inputs.

Other probabilities: FDR, FOR, NPV, fart, mirt, ppod, prev, sens, spec

Examples

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PPV <- .55     # => sets a positive predictive value of 55%
PPV <- 55/100  # => (condition = TRUE) for 55 out of 100 people with (decision = positive)
is_prob(PPV)   # => TRUE (as PPV is a probability)

riskyr documentation built on Feb. 19, 2018, 5 p.m.