Get Bad Data Handbook: Cleaning Up the Data So You Can Get Back PDF

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By Q. Ethan McCallum

ISBN-10: 1449324983

ISBN-13: 9781449324988

What's undesirable information? a few humans examine it a technical phenomenon, like lacking values or malformed files, yet undesirable information contains a lot extra. during this instruction manual, info professional Q. Ethan McCallum has accrued 19 colleagues from each nook of the knowledge area to bare how they've recovered from nasty facts problems.

From cranky garage to bad illustration to erroneous coverage, there are various paths to undesirable facts. final analysis? undesirable information is data that will get within the way. This ebook explains potent how one can get round it.

Among the various themes coated, you'll become aware of how to:

  • Test force your information to work out if it's prepared for analysis
  • Work spreadsheet info right into a usable form
  • Handle encoding difficulties that lurk in textual content data
  • Develop a winning web-scraping effort
  • Use NLP instruments to bare the true sentiment of on-line reviews
  • Address cloud computing concerns that could effect your research effort
  • Avoid regulations that create facts research roadblocks
  • Take a scientific method of info caliber analysis
  • Show description

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    Additional resources for Bad Data Handbook: Cleaning Up the Data So You Can Get Back to Work

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    9. Myth: Acne is caused by eating the wrong foods. Fact: This is both true and false. The traditional foods thought to cause acne, such as chocolate and greasy foods, have no effect on acne, and there is no research indicating otherwise. However, there is the potential that individual dietary allergic reactions can trigger acne, such as eating foods that contain iodine, like shellfish, although there UNDERSTANDING THE HYPE 21 is an ongoing controversy about that. A bit more conclusive is new research showing that milk, especially skim milk, can increase the risk of acne.

    Still, women do experience breakouts after using some skin-care or makeup products (or a random combination of both—I know I do). Such breakouts can be the result of an irritant or an inflammatory response, a random skin reaction, or a result of problematic ingredients unique to a person’s skin type. That means you have to experiment to see what might be causing your breakouts. There is no information from medical research or the cosmetics industry to help or point you in the right direction. And just so you know, “noncomedogenic” is a meaningless word the cosmetics industry uses to 22 THE ORIGINAL BEAUTY BIBLE indicate that a product is less likely to cause breakouts; the problem is no standards or regulations have been set up to describe this category.

    However, there is the potential that individual dietary allergic reactions can trigger acne, such as eating foods that contain iodine, like shellfish, although there UNDERSTANDING THE HYPE 21 is an ongoing controversy about that. A bit more conclusive is new research showing that milk, especially skim milk, can increase the risk of acne. The same may be true for a diet high in carbohydrates; a high glycemic load can increase breakouts, while a low glycemic load can reduce their occurrence. ) Experimenting for a few months to see which of these food groups either hurt or help your skin is worth the effort (Sources: Molecular Nutrition and Food Research, June 2008, pages 718–726; Dermatologic Therapy, March–April 2008, pages 86–95; Journal of the American Academy of Dermatology, May 2008, pages 787–793; and Dermatology Online Journal, May 30, 2006).

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    Bad Data Handbook: Cleaning Up the Data So You Can Get Back to Work by Q. Ethan McCallum


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