Bad data handbook

Mapping the World of Data Problems

Q. Ethan McCallum

254 pages, parution le 01/11/2012

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Résumé

What is bad data? Some people consider it a technical phenomenon, like missing values or malformed records, but bad data includes a lot more. In this handbook, data expert Q. Ethan McCallum has gathered 19 colleagues from every corner of the data arena to reveal how they've recovered from nasty data problems.

From cranky storage to poor representation to misguided policy, there are many paths to bad data. Bottom line? Bad data is data that gets in the way. This book explains effective ways to get around it.

Among the many topics covered, you'll discover 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

L'avis du libraire Eyrolles

What is bad data? Some people consider it a technical phenomenon, like missing values or malformed records...

L'auteur - Q. Ethan McCallum

Q Ethan McCallum works as a professional-services consultant, with a focus on strategic matters around data and technology. He is especially interested in helping companies build and shape their internal analytics practice.

Q has spoken at various events, and his written work has appeared online and in print. He is also engaged in a number of projects, ranging from open-government/civic-data collaborations to open-source software tools. He is currently working on his next book, Making Analytics Work, a management-level guide on how to build an analytics practice.

Caractéristiques techniques

	PAPIER
Éditeur(s)	O'Reilly
Auteur(s)	Q. Ethan McCallum
Parution	01/11/2012
Nb. de pages	254
Format	18 x 23,5
Couverture	Broché
Intérieur	Noir et Blanc
EAN13	9781449321888
ISBN13	978-1-4493-2188-8