statsmodels/statsmodels — pull request #293 by josef-pkt (2012-05-30 15:09:19+00:00)
Title: Bug 290 glsar

fixes bug incorrect whitening if lag > 1

some cleanup

add test against Stata
good agreement with Stata for estimating rho with options corc rhotype(tscorr)

`prais g_realinv g_realgdp L.realint, corc rhotype(tscorr)`