Konstantino Sparakis Konstantino Sparakis - 1 year ago 94
Python Question

Resampling Dataframe Time series where column equals value

I have been going through the documentation and trying different things but cant seem to find a solution for this.

I have a df which contains multiple time series. Each time series object consist of a time, price, type of ec2 machine, and location. My goal is to be able to compare the same machine types in different locations and all the machine types within the same location.

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I need to resample these time series because the data is only collected when the price is changed, and so in order to do my desired analysis on them I need to resample to line up the times by the hour. I have this following code that will for example, resample one object, which is a specific machine type within a specific region. But how do I resample so that it resamples every Instance in a specific zone separately?


Answer Source

I think you can use:

df.groupby(['AvailabilityZone', 'InstanceType']).resample('H').ffill()
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