May 2017
Intermediate to advanced
310 pages
8h 5m
English
Content preview from Python Data Structures and Algorithms
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Why process raw data?
Raw data as collected from the field is rigged with human error. Data entry is a major source of error when collecting data. Even technological methods of collecting data are not spared. Inaccurate reading of devices, faulty gadgetry, and changes in environmental factors can introduce significant margins of errors as data is collected.
The data collected may also be inconsistent with other records collected over time. The existence of duplicate entries and incomplete records warrant that we treat the data in such a way as to bring out hidden and buried treasure. The raw data may also be shrouded in a sea of irrelevant data.
To clean the data up, we can totally discard irrelevant data, better known as noise. Data with ...
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