get_baseline_data does not partition data (using daily data set). about eemeter HOT 3 CLOSED

@sc0ttyg The get_baseline_data function requires an end date to be set (this function assumes you want to go some number of days back before a project or intervention). Correct usage is the following:

eemeter.get_baseline_data(meter_data, max_days=365, end=datetime(...))

There's a bit more detail on this behavior in the docs for get_baseline_data: http://eemeter.openee.io/api.html#eemeter.get_baseline_data, though it's easy to miss. This behavior might warrant a warning - if so, I'd be happy to take a look at a pull request.

max_days (int) – The maximum length of the period. Ignored if end is not set. The stricter of this or start is used to determine the earliest allowable baseline period date.

Reading between the lines here, if you want to get data selecting forward from a date (e.g., the start of your data), then you can use the get_reporting_data method, which allows that operation. Although that also is admittedly a bit unintuitive if you're selecting down to baseline data.

import eemeter
import pandas as pd
meter_data = pd.DataFrame({'value': 1}, index=pd.date_range(start='2013-01-01', end='2019-01-01', freq='D', tz='utc'))
eemeter.get_reporting_data(meter_data, start=meter_data.index[0], max_days=365)

If neither of these methods quite matches your use case, the ultimate flexibility is also available by selecting on the pandas DatetimeIndex as well.

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@philngo Great, thanks for the clarification. I'll consider a pull request after I get to know the code a little better.

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@sc0ttyg Thanks for reaching out! I'm going to go ahead and close this issue. Please consider helping our developer community by filling out our first-time issue/PR contributor survey.

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