logistic: Defines a simple logistic function, @f$ e^x / (1 + e^x) @f$.
In vacem: Vaccination Activities Coverage Estimation Model

Defines a simple logistic function, @f$ e^x / (1 + e^x) @f$.

1	logistic(x)

`x`	the variable to calculate the logistic function for

The logistic function is used repeatedly in the coverage analysis so it defined here to improve the readability of those calculations.

@code exp(x) / (1 + exp(x))

1 2	x <- c( -10:-2, seq(-2,2,0.2), 2:10 ) plot( x=x, y=logistic(x) )

vacem documentation built on April 14, 2017, 7:28 p.m.

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