Harvard Catalyst Profiles

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Chi-Square Distribution

"Chi-Square Distribution" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject Headings). Descriptors are arranged in a hierarchical structure, which enables searching at various levels of specificity.

A distribution in which a variable is distributed like the sum of the squares of any given independent random variable, each of which has a normal distribution with mean of zero and variance of one. The chi-square test is a statistical test based on comparison of a test statistic to a chi-square distribution. The oldest of these tests are used to detect whether two or more population distributions differ from one another.


This graph shows the total number of publications written about "Chi-Square Distribution" by people in Harvard Catalyst Profiles by year, and whether "Chi-Square Distribution" was a major or minor topic of these publication.
Bar chart showing 2257 publications over 31 distinct years, with a maximum of 232 publications in 2011
To see the data from this visualization as text, click here.
Funded by the NIH National Center for Advancing Translational Sciences through its Clinical and Translational Science Awards Program, grant number UL1TR002541.