August 2015
Beginner to intermediate
294 pages
5h 20m
English
Content preview from Mastering Python for Data ScienceBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 3. Finding a Needle in a Haystack
Analyzing a dataset to find patterns is an art as much as it is a science. There can be a lot of metrics associated with a dataset and you would like to find the needle in this haystack. For us, a needle is the insight that we look for within data that we weren't aware of earlier. Here, insight could refer to important information about people who buy milk of a particular brand and also buy cereals of another brand, for instance. The retail store can then stack the products near each other.
Whenever you try to analyze a dataset, you should have a detailed understanding of it and also of the domain that it is associated with. If it's a simple dataset that can be understood very easily, then the analysis ...
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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.