Model Parameters Expansion
Create a grid of parameter values from all combinations of supplied inputs.
expand_params(..., random = FALSE)
... |
named vectors or factors or a list of these containing the parameter values over which to create the grid. |
random |
number of points to be randomly sampled from the parameter grid
or |
A data frame containing one row for each combination of the supplied inputs.
## Requires prior installation of suggested package gbm to run data(Boston, package = "MASS") grid <- expand_params( n.trees = c(50, 100), interaction.depth = 1:2 ) fit(medv ~ ., data = Boston, model = TunedModel(GBMModel, grid = grid))
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