Description Usage Arguments Value Examples
View source: R/predict.combitwice.R
Calculates GMDH Twice-Multilayered Combinatorial model predictions for new data.
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object |
an object of class 'combitwice' |
newdata |
matrix containing dependent variables in the model, wich the predictions are calculated. |
... |
other undocumented arguments |
A matrix with predictions.
1 2 3 4 5 6 7 8 9 10 11 12 13 | set.seed(123)
x <- matrix(data = c(rnorm(1050)), ncol = 3, nrow = 350)
colnames(x) <- c("a", "b", "c")
y <- matrix(data = c(10 + x[, "a"] + x[, "b"]^2 + x[, "c"]^3), ncol = 1)
colnames(y) <- "y"
x.test <- x[1:10, ]
y.test <- y[1:10]
x <- x[-c(1:10), ]
y <- y[-c(1:10)]
mod <- gmdh.combi.twice(X = x, y = y, criteria = "PRESS")
pred <- predict(mod, x.test)
summary(sqrt((pred - y.test)^2))
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