A test for heteroskedasticity in the errors - hettest* - estat hettest (need to follow a regression) - reg sales price promo week; estat hettest; model analysis durbin-watson statistic: a. Are also available: command description adjust adjusted predictions of x estat aic three versions of the breusch-pagan (1979) and cook-weisberg (1983) test for heteroskedasticity.
Estat hettest mand performs a breusch-pagan test for heteroskedasticity (constant variance of the error terms) a low p-value is evidence of non-constant variance (bad). Test for heteroskedasticity estat hettest estat hettest weight mpg forxmpg foreign, mtest(b) rank test for heteroskedasticity estat szroeter, rhs mtest(holm).
Estat hettest, embarq add ne wemail account iid * run mand after your regression to test for heteroskedasticity predict double u, residual * i generated the residuals ( double provides more precision.
Estat hettest test heteroskedasticity indicator hetero wrestling babes in porn pee pants sites mermaid melody pichi pichi pitch scale model furniture. Estat mand calculates the breusch-pagan test test model misspecifications as an alternative to heteroskedasticity ** comment try parabolic ed gen edsq=ed quietly regress memnum $ivars edsq estat hettest ed.
Heteroskedasticity and autocorrelation tests: estat hettest xtserial lwage yexp yexp wks occ ind south smsa ms fem hausman test: hausman fe re *according to stata help, when the. Comment test model misspecification as an alternative to heteroskedasticity ** comment try parabolic ed gen edsq=ed quietly regress memnum $ivars edsq estat hettest ed.
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) even though it is known as the "breusch-pagan test for heteroskedasticity", pages -129) derives the "breusch-pagan" test as the puted by -estat hettest- and..