From the course: Faster pandas
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Solution: Vaex vs. pandas
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(upbeat music) - [Instructor] Let's have a look at the solution. So we import vaex and we read CSV the same way we do with the regular pandas. However, when we calculate the groupby, the API is a bit different. And we do a groupby by the vendor ID and then pass an aggregation function from vaex.agg. And finally we print the output, lets have a look, Python, mean distance. And we see that the vendor ID 2 has the longest rights.
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