is.regression: Check if a certain predictive task is a regression problem

In performanceEstimation: An Infra-Structure for Performance Estimation of Predictive Models

Description

This function tests if a task defined by a formula over a data set is a regression task, which will be the case if the target variable is numeric.

Usage

is.regression(task)

Arguments

task	An object of class PredTask

Value

A logical value

Author(s)

Luis Torgo [e-mail]

References

Torgo, L. (2014) An Infra-Structure for Performance Estimation and Experimental Comparison of Predictive Models in R. arXiv:1412.0436 [cs.MS] http://arxiv.org/abs/1412.0436

See Also

is.classification

Examples

data(iris)
tsk <- PredTask(Species ~ .,iris)
if (!is.regression(tsk)) cat("This is not a regression task!\n")

performanceEstimation documentation built on May 2, 2019, 6:01 a.m.