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Create a grid of parameter values from all combinations of supplied inputs.
expand_params(...)
named vectors or factors or a list of these containing the parameter values over which to create the grid.
A data frame containing one row for each combination of the supplied inputs.
tune, TunedModel
tune
TunedModel
# NOT RUN { library(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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