Description Usage Arguments Value Author(s) See Also Examples
View source: R/residuals.frontier.R
This method returns the residuals from stochastic frontier models
estimated with the frontier package
(e.g. function sfa
).
1 2 |
object |
a stochastic frontier model
estimated with the frontier package
(e.g. function |
asInData |
logical. If |
... |
currently ignored. |
If argument asInData
is FALSE
(default),
a matrix of the residuals is returned,
where each row corresponds to a firm (cross-section unit)
and each column corresponds to a time period.
If argument asInData
is TRUE
,
a vector of residuals is returned,
where the residuals are in the same order
as the corresponding observations in the data set
used for the estimation.
Arne Henningsen
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 | # rice producers in the Philippines (panel data)
data( "riceProdPhil" )
library( "plm" )
riceProdPhil <- pdata.frame( riceProdPhil, c( "FMERCODE", "YEARDUM" ) )
# Error Components Frontier (Battese & Coelli 1992), no time effect
rice <- sfa( log( PROD ) ~ log( AREA ) + log( LABOR ) + log( NPK ),
data = riceProdPhil )
residuals( rice )
riceProdPhil$residuals <- residuals( rice, asInData = TRUE )
# Error Components Frontier (Battese & Coelli 1992), with time effect
riceTime <- sfa( log( PROD ) ~ log( AREA ) + log( LABOR ) + log( NPK ),
data = riceProdPhil, timeEffect = TRUE )
residuals( riceTime )
riceProdPhil$residualsTime <- residuals( riceTime, asInData = TRUE )
|
Loading required package: micEcon
If you have questions, suggestions, or comments regarding one of the 'micEcon' packages, please use a forum or 'tracker' at micEcon's R-Forge site:
https://r-forge.r-project.org/projects/micecon/
Loading required package: lmtest
Loading required package: zoo
Attaching package: 'zoo'
The following objects are masked from 'package:base':
as.Date, as.Date.numeric
Please cite the 'frontier' package as:
Tim Coelli and Arne Henningsen (2013). frontier: Stochastic Frontier Analysis. R package version 1.1. http://CRAN.R-Project.org/package=frontier.
If you have questions, suggestions, or comments regarding the 'frontier' package, please use a forum or 'tracker' at frontier's R-Forge site:
https://r-forge.r-project.org/projects/frontier/
Loading required package: Formula
1 2 3 4 5
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