Displaying 1 result from an estimated 1 matches for "year2001".
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year2004
2009 Mar 02
1
Problem with dummy variables controlling for years
...ome cases I get the error
message "In sqrt(diag(object$vcov)) : NaNs wurden erzeugt" and missing
results for some or all of my year dummies:
Estimate Std. Error z-value Pr(>|z|)
year2000 -7.48e-02 NA NA NA
year2001 -6.65e-02 NA NA NA
year2002 -6.61e-02 NA NA NA
year2003 -6.49e-02 NA NA NA
year2004 -5.95e-02 NA NA NA
year2005...