Dear gretl listers, hi from Paris, again !
Still on my demand system analysis, I need to apply the Delta method to
compute standard errors of price and income elasticities. To do this I must
access to numerical derivatives so that i can compute an approximation. I my
reading is ok, it seems that numerical derivatives are accessible in the nls
command. Is there another way to compute/show the jacobian from another model
thanx a lot in advance
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