EPISODE · Sep 9, 2016 · 8 MIN
[MINI] Heteroskedasticity
from Data Skeptic
Heteroskedasticity is a term used to describe a relationship between two variables which has unequal variance over the range. For example, the variance in the length of a cat's tail almost certainly changes (grows) with age. On the other hand, the average amount of chewing gum a person consume probably has a consistent variance over a wide range of human heights. We also discuss some issues with the visualization shown in the tweet embedded below.
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[MINI] Heteroskedasticity
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