March 2020
Beginner to intermediate
352 pages
8h 40m
English
Content preview from Hands-On Exploratory Data Analysis with Python
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Data collection
In data science, the most important thing is data. The data holds the ground truth about any events, phenomena, or experiments that are going on around us. Once we've processed the data, we get information. Once we've processed this information, we can derive knowledge from it. Hence, the most prominent stage in knowledge extraction is how relevant the data that's being captured is. There are different types of data, including structured data, unstructured data, and semi-structured data. Structured data maintains a uniform structure in all the observations, similar to relational database tables. Unstructured data does not maintain any particular structure. Semi-structured data maintains some structure in the observation. ...
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