logit

From HH v3.1-37
0th

Percentile

Logistic and odds functions and their inverses.

Logistic and odds functions and their inverses.

Keywords
math
Usage
logit(p)
antilogit(x)

odds(p) antiodds(o)

Arguments
p

Probability value, a vector of numbers between 0 and 1, inclusive.

x

Real number, a vector of numbers between -Inf and Inf.

o

Real number, a vector of numbers between 0 and Inf.

Value

Vector of real values log(p/(1-p)) for logit. Vector of probabilities exp(x)/(1+exp(x)) for antilogit with boundary values of -Inf and Inf for x correctly handled. Vector of real values p/(1-p) for odds. Vector of probabilities o/(o+1) for antiodds with the boundary value of Inf for o correctly handled.

• logit
• antilogit
• odds
• antiodds
Examples
# NOT RUN {
logit(seq(0, 1, .1))
antilogit(logit(seq(0, 1, .1)))

odds(seq(0, 1, .1))
antiodds(odds(seq(0, 1, .1)))
# }
Documentation reproduced from package HH, version 3.1-37, License: GPL (>= 2)

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