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logistic |
(function for equations) |
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Usage: |
logistic (t) |
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Definition: |
exp(t) / (1 + exp(t)) |
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Required: |
t is an unrestricted real |
Logistic is also known as "expit", or "sigmoid".
This is the inverse of the logit function (also known as log odds).
See also LogisticDist, logit.
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Example: |
expit (0) returns 0.5 expit (1) returns 0.7310585 |