errormatrix: Compute errormatrix

In hansoleorka/myR: Collection of r functions for hansoleorka

Description

Algorithm to find peak values

Usage

errormatrix(class, reference)

Arguments

class	a classified vector
reference	reference vector

Details

Last update:29.10.2008 ??

Value

em errormatrix ,oa=oa,ua=ua,pa=pa,EM=EM,kappa=kappa)

oa overall accuracy

ua user's accuracy

pa producer's accuracy

kappa kappa-coefficient

EM errormatric printable

Author(s)

Hans Ole &Oslashrka [e-mail]

References

Congalton, R.G. (1991). A Review of Assessing the Accuracy of Classifications of Remotely Sensed Data. Remote Sensing of Environment, 37, 35-46

Story, M., & Congalton, R.G. (1986). Accuracy Assessment - a Users Perspective. Photogrammetric Engineering and Remote Sensing, 52, 397-399

Examples

#Example: Congalton, R.G. (1991). A Review of Assessing the Accuracy of Classifications of Remotely Sensed Data. Remote Sensing of Environment, 37, 35-46:
x<-matrix(c(65,6,0,4,4,81,11,7,22,5,85,3,24,8,19,90),4,4)
xsup<-matrix(c(68,12,3,0,7,112,9,2,3,15,89,5,0,10,0,56),4,4)
xunsup<-matrix(c(60,15,6,2,11,102,13,4,3,14,90,5,4,8,2,52),4,4)
xmod<-matrix(c(75,4,3,1,6,116,7,1,1,11,96,4,0,3,2,61),4,4)

hansoleorka/myR documentation built on May 17, 2019, 2:29 p.m.