Description Usage Arguments Author(s) Examples
This defines the generic method "cutpoints" which will provide the cutpoints of a discretization scheme of S4 class glmdisc
.
This defines the method to provide the cutpoints of a trained glmdisc.
1 2 3 4 |
object |
generic glmdisc object |
glmdisc |
The trained glmdisc S4 object. |
Adrien Ehrhardt.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 | # Simulation of a discretized logit model
set.seed(1)
x <- matrix(runif(300), nrow = 100, ncol = 3)
cuts <- seq(0, 1, length.out = 4)
xd <- apply(x, 2, function(col) as.numeric(cut(col, cuts)))
theta <- t(matrix(c(0, 0, 0, 2, 2, 2, -2, -2, -2), ncol = 3, nrow = 3))
log_odd <- rowSums(t(sapply(seq_along(xd[, 1]), function(row_id) {
sapply(
seq_along(xd[row_id, ]),
function(element) theta[xd[row_id, element], element]
)
})))
y <- rbinom(100, 1, 1 / (1 + exp(-log_odd)))
sem_disc <- glmdisc(x, y,
iter = 50, m_start = 4, test = FALSE,
validation = FALSE, criterion = "aic"
)
cutpoints(sem_disc)
|
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