Stochastic Frontier Analysis

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Documentation for package ‘sfa’ version 1.2.0

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sfa-package Stochastic Frontier Analysis
bread.sfareg Extractor methods for "sfareg" objects
calibrate_c Fixed robustness parameter by weight matching
coef.sfareg Extractor methods for "sfareg" objects
composed_cdf Composed-error distribution function for any cross-sectional model
copsfm Stochastic Frontier with Dependence Between Noise and Inefficiency
cw_test Chen and Wang (2012) centered-residuals moment test
data_gen_cs Generate Cross-Sectional Data for Stochastic Frontier Analysis
data_gen_p Generate Panel Data for Stochastic Frontier Analysis
dcomposed The distribution of the composed error
density_weights Density-power weights from a robust frontier fit
efficiency Technical Efficiency Scores
efficiency_ci Confidence Intervals for Individual Inefficiency and Efficiency
endogeneity_test Were the regressors endogenous after all?
esfm Stochastic frontier tolerating the wrong skewness
estfun.sfareg Extractor methods for "sfareg" objects
FinnishElec FinnishElec
fitted.sfareg Predictions, fitted values and residuals for stochastic frontier fits
gof_test Goodness-of-fit test for the assumed inefficiency distribution
hscore Hyvarinen score for a Normal-Half-Normal frontier fit
hscore_select Select the robustness tuning parameter by Hyvarinen score
Indian Indian
inefficiency_test Test whether there is any technical inefficiency
influence_sfa Which observations are driving this frontier fit?
ivsfm Stochastic Frontier Models with Endogenous Regressors
lcsfm Latent Class Stochastic Frontier Models
lcsfm_homogeneity Test a latent class frontier against homogeneity
logLik.sfareg Extractor methods for "sfareg" objects
marginal_effects Marginal Effects of the Variance Determinants on Inefficiency
meanefficiency Model-Implied Mean Efficiency
moment_range What skewness and excess kurtosis can a pair of distributions produce?
nobs.sfareg Extractor methods for "sfareg" objects
npsfm Nonparametric Stochastic Frontier Models
panel89 Panel89
pcomposed The distribution of the composed error
pcomposed_model Composed-error distribution function for any cross-sectional model
PL80_MVTN Pitt and Lee (1981) Model III: the multivariate truncated normal panel likelihood
plot.sfareg Optimizer Diagnostics for Stochastic Frontier Fits
predict.sfareg Predictions, fitted values and residuals for stochastic frontier fits
print.cw_test Chen and Wang (2012) centered-residuals moment test
print.esfm Stochastic frontier tolerating the wrong skewness
print.npsfareg Nonparametric Stochastic Frontier Models
print.sfadiag Optimizer Diagnostics for Stochastic Frontier Fits
print.sfareg Print method for "sfareg" objects
print.sfa_endog_test Were the regressors endogenous after all?
print.sfa_hscore Select the robustness tuning parameter by Hyvarinen score
print.sfa_influence Which observations are driving this frontier fit?
print.sfa_mlrt Test a latent class frontier against homogeneity
print.sfa_moment_range What skewness and excess kurtosis can a pair of distributions produce?
print.sfa_spec_grid Is this pair of distributions defensible?
print.sfa_spec_test Is this pair of distributions defensible?
print.sfa_vuong Choosing between non-nested stochastic frontier specifications
print.sfma Average over inefficiency distributions instead of choosing one
psfm psfm
psfm_bootstrap Parametric Bootstrap for 'psfm()' Panel Stochastic Frontier Models
residuals.sfareg Predictions, fitted values and residuals for stochastic frontier fits
selsfm Stochastic Frontier Models with Sample Selection or Technology Choice
sfareg-methods Extractor methods for "sfareg" objects
sfa_diagnostics Optimizer Diagnostics for Stochastic Frontier Fits
sfm sfm
sfma Average over inefficiency distributions instead of choosing one
simulation_se Simulation Standard Errors for Simulated-ML Fits
skewness_test Formal tests for wrong skewness in the OLS residuals
spec_test Is this pair of distributions defensible?
spec_test_all Is this pair of distributions defensible?
summary.npsfareg Nonparametric Stochastic Frontier Models
summary.sfareg Summary method for "sfareg" objects
symmetry_test Stochastic frontier tolerating the wrong skewness
TIC Choosing between non-nested stochastic frontier specifications
ttsfm Two-Tier Stochastic Frontier Model
uhet_test Test whether technical inefficiency depends on firm characteristics
USUtilities USUtilities
vcov.sfareg Extractor methods for "sfareg" objects
vuong Choosing between non-nested stochastic frontier specifications
zsfm Zero-Inefficiency Stochastic Frontier Models