log_link | R Documentation |
maxlogL
object)log_link
object provides a way to implement logarithmic link function that
maxlogL
needs to perform estimation. See documentation for
maxlogL
for further information on parameter estimation and implementation
of link objects.
log_link()
log_link
is part of a family of generic functions with no input arguments that
defines and returns a list with details of the link function:
name
: a character string with the name of the link function.
g
: implementation of the link function as a generic function in R
.
g_inv
: implementation of the inverse link function as a generic function
in R
.
There is a way to add new mapping functions. The user must specify the details aforesaid.
A list with logit link function, its inverse and its name.
maxlogL
Other link functions:
NegInv_link()
,
logit_link()
# One parameters of normal distribution mapped with logarithmic function
x <- rnorm(n = 10000, mean = 50, sd = 4)
theta_2 <- maxlogL( x = x, link = list(over = "sd",
fun = "log_link") )
summary(theta_2)
# Link function name
fun <- log_link()$name
print(fun)
# Link function
g <- log_link()$g
curve(g(x), from = 0, to = 1)
# Inverse link function
ginv <- log_link()$g_inv
curve(ginv(x), from = -5, to = 5)
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