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statistical analysis

Answering Why (with Chi-Square)

Analysts don’t like the “why” questions. They are tough to answer. For instance, in a help desk analysis, it is easy to show which tickets are resolved faster. But it is difficult to say why. In my practice in Sopra

Pawel Plaszczak November 19, 2021November 20, 2021 Articles No Comments Read more

Mistaken by factor of 100,000

Mistaken by factor of 100,000

Longormal data is very tricky. Wrong visualization methods can lead to radical misinterpretation of the result. In this article I show an example of such a mistake based on a real project, and I demonstrate how to avoid the caveats

Pawel Plaszczak October 14, 2021October 24, 2021 Articles No Comments Read more

Are people fair?

Suppose all you had was a history of user requests to the service desk. Would you be able to determine how many of those requests were honest?

Pawel Plaszczak October 23, 2020October 30, 2020 Articles No Comments Read more

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