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# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Library General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Library General Public License for more details.
#
# You should have received A copy of the GNU Library General
# Public License along with this library; if not, write to the
# Free Foundation, Inc., 59 Temple Place, Suite 330, Boston,
# MA 02111-1307 USA
################################################################################
.distStandardErrors <-
function(fit, obj, x)
{
# Add Standard Errors and t-Values:
hessian = tsHessian(x = fit$par, fun = obj, y = x, trace = FALSE)
colnames(hessian) = rownames(hessian) = names(fit$par)
fit$cvar = solve(hessian)
fit$se.coef = sqrt(diag(fit$cvar))
if (fit$scale)
fit$se.coef = fit$se.coef / fit$scaleParams
fit$tval = fit$par/fit$se.coef
fit$matcoef = cbind(fit$par, fit$se.coef,
fit$tval, 2*(1-pnorm(abs(fit$tval))))
dimnames(fit$matcoef) = list(names(fit$tval),
c(" Estimate", " Std. Error", " t value", "Pr(>|t|)"))
# Return Value:
fit
}
################################################################################
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