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All Blog Posts Tagged 'Association' (5)

[Data Mining] Association Rules in R (diapers and beer)

[Introduction of Association Rules]



Sometimes, the anecdotal story helps you understand the new concept. But, this story is real. About 15 years ago, in Walmart, a sales guy made efforts to boost sales in his store. His idea was simple. He bundled the products together and applied some discounts to the bundled products. (Now, it became common practices in marketing) For example, this guy bundled bread with jam, so that customers easily found them together. Moreover,…

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Added by Gregory Choi on August 22, 2016 at 7:30am — 5 Comments

Data Scientists Must Prioritize Client Confidentiality

Many organizations are reluctant to create data science teams (internally or externally) because of information confidentiality and privacy concerns. It is dangerous to open the kimono to competition - disclosing high-value information about inner workings of the firm may cause…

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Added by Michael Walker on September 24, 2015 at 3:00pm — No Comments

Data science profession: accredidation, code of conduct

Data scientists are the lion kings of data pros while salaries for business intelligence and data warehousing pros are stagnating. 

Actual data scientist salaries are much higher considering many garden…

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Added by Michael Walker on May 27, 2014 at 8:30pm — 1 Comment

The Deadly Data Science Sin of Confirmation Bias

Confirmation bias occurs when people actively search for and favor information or evidence that confirms their preconceptions or hypotheses while ignoring or slighting adverse or mitigating evidence. It is a type of cognitive bias (pattern of deviation in judgment that occurs in…

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Added by Michael Walker on April 24, 2014 at 7:30pm — 5 Comments

The Professionalization of Data Science

There has been much discussion and debate about the definition of data science and the new rare breed of sexy bird called the data scientist. The …

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Added by Michael Walker on October 22, 2013 at 10:13pm — 2 Comments

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