search for: demxlog

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2010 Oct 14
1
robust standard errors for panel data - corrigendum
...uivalent > to FE, but makes a 'lm' object) > demod<-lm(demy~demX-1) > library(sandwich) > library(lmtest) > ## apply HAC covariance, e.g., to t-tests coeftest(demod, > vcov=vcovHAC) t test of coefficients: Estimate Std. Error t value Pr(>|t|) demXlog(pcap) -0.0261497 0.0485168 -0.5390 0.59005 demXlog(pc) 0.2920069 0.0496912 5.8764 6.116e-09 *** demXlog(emp) 0.7681595 0.0677258 11.3422 < 2.2e-16 *** demXunemp -0.0052977 0.0018648 -2.8410 0.00461 ** --- Signif. codes: 0 '***' 0.001 '**' 0.01 '*'...
2010 Oct 15
0
nomianl response model
...## (equivalent to FE, but makes a 'lm' object) > demod<-lm(demy~demX-1) > library(sandwich) > library(lmtest) > ## apply HAC covariance, e.g., to t-tests > coeftest(demod, vcov=vcovHAC) t test of coefficients: Estimate Std. Error t value Pr(>|t|) demXlog(pcap) -0.0261497 0.0485168 -0.5390 0.59005 demXlog(pc) 0.2920069 0.0496912 5.8764 6.116e-09 *** demXlog(emp) 0.7681595 0.0677258 11.3422 < 2.2e-16 *** demXunemp -0.0052977 0.0018648 -2.8410 0.00461 ** --- Signif. codes: 0 '***' 0.001 '**' 0.01 '*'...