Exploratory analysis

- noise 

Unit Root Tests

Unit root stationarity test with RATIO of gowanus to rest of prroklyn. did the proportion change over time, or remain stationary? 
sm.tsa.adfuller?: The null hypothesis of the Augmented Dickey-Fuller is that there is a unit root, with the alternative that there is no unit root. If the pvalue is above a critical size, then we cannot reject that there is a unit root. No unit root generally means stationarity