adj_areas: Calculated adjusted class areas for an image classification

Description Usage Arguments Details References

Description

Calculates the adjusted areas of each class in an image after taking account of omission and commission errors. For unbiased adjustments, error rates should be calculated using a population sample matrix (see accuracy.

Usage

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
adj_areas(x, y)

## S4 method for signature 'numeric,table'
adj_areas(x, y)

## S4 method for signature 'numeric,matrix'
adj_areas(x, y)

## S4 method for signature 'accuracy,missing'
adj_areas(x)

Arguments

x

an accuracy object or a list of populations as a numeric

y

missing, or a contingency table

Details

Standard errors for the adjusted areas are calculated as in Olofsson et al. (2013).

References

Olofsson, P., G. M. Foody, S. V. Stehman, and C. E. Woodcock. 2013. Making better use of accuracy data in land change studies: Estimating accuracy and area and quantifying uncertainty using stratified estimation. Remote Sensing of Environment 129:122-131.


azvoleff/teamlucc documentation built on June 4, 2017, 12:08 a.m.