#
ARIMA Time Series Analysis

###
Load in the data set from Quandl.

```
import quandl
dt = quandl.get("ZILLOW/N52_PRRAH", authtoken="GzFy7sTypFanLb3Tvs1s")
```

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Plot the “Value” by Month from 10-31-2010 through 7-31-2018

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Begin ARIMA model-building

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Plot 12-month rolling mean, 12-month rolling std, and [actual] Value

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Plot Observed, Trend, Seasonal, and Residual plots