December 2019
Beginner
370 pages
8h 9m
English
book
Tableau Desktop Certified Associate: Exam Guide
by Dmitry Anoshin, JC Gillet, Fabian Peri, Radhika Biyani, Gleb Makarenko
Content preview from Tableau Desktop Certified Associate: Exam Guide
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Histograms
Histograms are useful for viewing the distribution of continuous data into ranges or bins. They are used to determine whether a measure is left-skewed, right-skewed, or normally distributed and are widely used when describing demographic statistics such as the age distribution of the population or the distribution of wealth among a certain population.
The way histograms work is that they divide the entire dataset into bins (ranges of data). For example, if we want to understand how Quantity is distributed, we get the following:
A count of 2 or 3 seems to be the most common quantities sold, whereas larger numbers such as 12 and ...
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