convert.confusion.matrix {bnpa}

Converts the position of any element of confusion matrix to VP, FP, FN, VN

Description

This function receives a confusion matrix and the matrix values to keep the order VP, FP, FN, VN.

Usage

convert.confusion.matrix(confusion.matrix, cm.position)

Arguments

confusion.matrix

is the confusion matrix to be converted.

cm.position

is the position of your VP, FP, FN, VN at the confusion matrix.

Value

a new confusion matrix

Author(s)

Elias Carvalho

References

STORY, Michael; CONGALTON, Russell G. Accuracy assessment: a user’s perspective. Photogrammetric Engineering and remote sensing, v. 52, n. 3, p. 397-399, 1986.

Examples

# Clean environment
closeAllConnections()
rm(list=ls())
# Set enviroment
# setwd("to your working directory")
# Load packages
library(bnpa)
# Creates a confusion matrix
confusion.matrix <-matrix(c(12395, 4, 377, 1), nrow=2, ncol=2, byrow=TRUE)
# Creates a vector with the position of VP, FP, FN, VN
cm.position <- c(4,3,2,1)
# Shows the original confusion matrix
confusion.matrix
# Converts the confusion matrix
confusion.matrix <- convert.confusion.matrix(confusion.matrix, cm.position)
# Shows the converted confusion matrix
confusion.matrix