25 lines
No EOL
1,021 B
R
25 lines
No EOL
1,021 B
R
# Objective function for the GMM method
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#
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# Author: Francois Pelletier
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#
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# LGPL-3.0
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###############################################################################
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#' Objective function for the GMM method
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#' @param param.lagrangian Vector of parameters and Lagrangian to optimize
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#' @param conditions.vector Vector of moment conditions
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#' @param sample Individual data sample
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#' @param ... Functions of the vector of moment conditions
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#' @param W Weighting matrix
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#' @param R Linear constraint matrix of coefficients
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#' @param r Linear constraint constants
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#' @return A scalar value
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#' @export objective.GMM
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#' @author François Pelletier
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objective.GMM <- function(param.lagrangian,conditions.vector,sample,...,
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W=diag(length(conditions.vector)),R=0,r=0)
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{
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param <- param.lagrangian[1:num.param]
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lagrangian <- param.lagrangian[num.param+1:length(param.lagrangian)]
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colMeans(conditions.vector(param,sample,...)) %*% ginv(W) %*% colMeans(conditions.vector(param,sample,...))+ abs(t(R %*% param - r) %*% lagrangian)
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} |