var_seq {caret}

Sequences of Variables for Tuning

Description

This function generates a sequence of mtry values for random forests.

Usage

var_seq(p, classification = FALSE, len = 3)

Arguments

p

The number of predictors

classification

Is the outcome a factor (classification = TRUE or numeric?)

len

The number of mtry values to generate.

Details

If the number of predictors is less than 500, a simple sequence of values of length len is generated between 2 and p. For larger numbers of predictors, the sequence is created using log2 steps.

If len = 1, the defaults from the randomForest package are used.

Value

a numeric vector

Author(s)

Max Kuhn

Examples

var_seq(p = 100, len = 10)
var_seq(p = 600, len = 10)