decision_plot: decisionplot dimension reduction

In elpidiofilho/labgeo: Collection of functions to fit models with emphasis in land use and soil mapping

Description

The following plot adds the decision boundary by evaluating the classifier at evenly spaced grid points

Usage

decision_plot(model, df, class = NULL, predict_type = "class",
  resolution = 100, showgrid = TRUE, ...)

Arguments

model	model adjusted
df	dataframe with data
class	name of outcome variable
predict_type	name of outcome variable
resolution	resolution of graphic in ppi. Default is 100ppi
showgrid	Logical. Control if show or not the grid over the graphic.
...	aditional parameters

Details

details

Source

<http://michael.hahsler.net/SMU/EMIS7332/R/viz_classifier.html>

Examples

## Not run: 
model <- knn3(Species ~ ., data=x, k = 1)
decisionplot(model, x, class = "Species", main = "kNN (1)")

## End(Not run)

elpidiofilho/labgeo documentation built on May 14, 2019, 9:35 a.m.