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4 results for “from:Andrés M”

Error in solve.default(-val)
Andrés M · Apr 22, 2015 · r-help

Buenas noches, comedidamente me dirijo a ustedes para hacerles una consulta respecto a un error que me ha salido al ejecutar R. Soy estudiante de Ingenier?a y estoy basando mi tesis en un estudio estad?stico usando R Studio...

Impact measures in spatial panels when regressors are endogenous. I need some help by a reproducible example.
André M. Marques · Mar 2, 2020 · r-sig-geo

Dear all, I am working on a research project that uses spatial panel econometric models. At this moment I am facing some difficulties because I guess there are some issues with the function impacts() in spatialreg package and also with...

Help to calculate the impacts using the spreg function in sphet package: GMM/IV with one endogenous and one instrument
André M. Marques · May 2, 2020 · r-sig-geo

Dear all, I apologize for my previous unclear code in the mail list.Now I hope to be clear about the problem I am facing in the following example: require("sf", quietly=TRUE)library(sphet)library(spatialreg) columbus <- st_read...

Help to calculate the impacts using the spreg function in sphet package: GMM/IV with one endogenous and one instrument
André M. Marques · May 2, 2020 · r-sig-geo

Dear all, # I am facing the following problem in calculating the impacts and their significance based on 'impacts' function in# {spatialreg} package:# I have one endogenous (HOVAL) and one instrument (PLUMB) ## endo=~HOVAL ; instruments=~PLUMB # How can I calculate the...

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