Bad Data Handbook
Bad Data Handbook
By: Q. Ethan McCallum | Publisher: Shroff/O'Reilly | Year: 2013
ISBN: 9789350239872
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Description
What is bad data? Some people considerit a technical phenomenon, like missing values or malformed records, but baddata includes a lot more. In this handbook, data expert Q. Ethan McCallum hasgathered 19 colleagues from every corner of the data arena to reveal howthey’ve recovered from nasty data problems.
From cranky storage to poorrepresentation to misguided policy, there are many paths to bad data. Bottom line?Bad data is data that gets in the way. This book explainseffective ways to get around it.
Among the many topics covered, you’lldiscover how to:
- Test drive your data to see if it’s ready for analysis
- Work spreadsheet data into a usable form
- Handle encoding problems that lurk in text data
- Develop a successful web-scraping effort
- Use NLP tools to reveal the real sentiment of online reviews
- Address cloud computing issues that can impact your analysis effort
- Avoid policies that create data analysis roadblocks
- Take a systematic approach to data quality analysis