sigmoid: The Logistic Function and Derivatives
In e1071: Misc Functions of the Department of Statistics, Probability Theory Group (Formerly: E1071), TU Wien
sigmoid R Documentation
The Logistic Function and Derivatives
Description
Sigmoid 1/(1 + \exp(-x)), first and second
derivative.
Usage
sigmoid(x)
dsigmoid(x)
d2sigmoid(x)
Arguments
x
a numeric vector
Author(s)
Friedrich Leisch
Examples
plot(sigmoid, -5, 5, ylim = c(-.2, 1))
plot(dsigmoid, -5, 5, add = TRUE, col = 2)
plot(d2sigmoid, -5, 5, add = TRUE, col = 3)
e1071 documentation built on Sept. 14, 2024, 3 p.m.
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| sigmoid | R Documentation |
The Logistic Function and Derivatives
Description
Sigmoid 1/(1 + \exp(-x)), first and second
derivative.
Usage
sigmoid(x)
dsigmoid(x)
d2sigmoid(x)
Arguments
x |
a numeric vector |
Author(s)
Friedrich Leisch
Examples
plot(sigmoid, -5, 5, ylim = c(-.2, 1))
plot(dsigmoid, -5, 5, add = TRUE, col = 2)
plot(d2sigmoid, -5, 5, add = TRUE, col = 3)
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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