June 2017
Beginner to intermediate
296 pages
7h 4m
English
Content preview from Frank Kane's Taming Big Data with Apache Spark and Python
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Running the script
So let's go ahead and run this and see what it does. Go to Canopy Command Prompt in Tools and run spark-submit min-temperatures.py:
The preceding command should chug through this pretty quickly. Here we have it:
The minimum temperature observed in the year 1800 for this weather station ID, ITE00100554, which I think is Paris, was 5.36° F, and for this other place, which I think is Prague, was 7.7° F. There you have it, a minimum temperature script illustrating the use of filters and using key/value RDDs yet again.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.