augmentation {fdm2id}

Duplicate and add noise to a dataset

Description

This function is a data augmentation technique. It duplicates rows and add gaussian noise to the duplicates.

Usage

augmentation(dataset, target, n = 5, sigma = 0.1, seed = NULL)

Arguments

dataset

The dataset to be split (data.frame or matrix).

target

The column index of the target variable (class label or response variable).

n

The scaling factor (as an integer value).

sigma

The baseline variance for the noise generation.

seed

A specified seed for random number generation.

Value

An augmented dataset.

Examples

require (datasets)
data (iris)
d = augmentation (iris, 5)
summary (iris)
summary (d)