Meaning & use
heteroscedasticity
Last updated
In statistics, the condition in which the variability of a variable is unequal across the range of a related variable.
See it in a sentence
The researchers ran a test for heteroscedasticity before trusting the regression results.
A funnel-shaped scatterplot is a classic sign of heteroscedasticity in the data.
A note on using this word
A core concept in regression analysis; when present, it can make standard statistical tests unreliable unless corrected for.
Words with an opposite meaning
homoscedasticity
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