cm_evaluate: Model evaluation
In rspatial/predicts: Spatial Prediction Tools

evaluate

R Documentation

Model evaluation

Description

Get model evaluation statistics from a confusion matrix.

Usage

evaluate(cmat, stat)

Arguments

`cmat`	confusion matrix. Normally created with table (see examples)
`stat`	character. Either "overall" (overall accuracy), "kappa", "class" for user and producer accuracy

Value

numeric

Examples

  
classes <- c("forest", "water", "urban", "agriculture")
set.seed(1)
observed <- sample(classes, 100, replace=TRUE)
predicted <- observed
i <- seq(1,100,2)
predicted[i] <- sample(classes, length(i), replace=TRUE)
conmat <- table(observed, predicted)
conmat

evaluate(conmat, "kappa")
evaluate(conmat, "class")

rspatial/predicts documentation built on July 11, 2024, 4:35 p.m.