statsmodels/statsmodels — pull request #297 by josef-pkt (2012-06-01 00:49:29+00:00)
Title: BUG: tsa fix adfuller

issue #246

autolag in adfuller, unitroot_adf was broken

fixed and added unittest,
no functional verified test since Stata doesn't have it for dfuller, but similar to dfgls

not nice: number of returns depends on options
waits for statistical test return refactoring