medley (version 0.1.0)

create.medley: Create a new (empty) medley object

Description

Create a new (empty) medley object

Usage

create.medley(x, y, label = "", errfunc = rmse, base.model = NULL, folds = 8)

Arguments

x

matrix of predictors

y

vector of response values

label

a unique label for this medley (used in status messages)

errfunc

an error metric for this medley

base.model

a function to use as a baseline model

folds

the default number of cross-validation folds to use

Examples

require(e1071);
data(swiss);
x <- swiss[,1:5];
y <- swiss[,6];
train <- sample(nrow(swiss), 30);
m <- create.medley(x[train,], y[train]);
for (gamma in c(1e-3, 2e-3, 5e-3, 1e-2, 2e-2, 5e-2, 1e-1, 2e-1, 5e-1, 1)) {
  m <- add.medley(m, svm, list(gamma=gamma));
}
p <- predict(m, x[-train,]);
rmse(p, y[-train]);