Q-statistic: Difference between revisions
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{{distinguish|Tsallis statistics}} |
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The '''Q-statistic''' is a [[test statistic]] output by either the [[Box-Pierce test]] or, in a modified version which provides better small sample properties, by the [[Ljung-Box test]]. It follows the [[chi-squared distribution]]. |
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The '''Q-statistic''' or '''q-statistic''' is a [[test statistic]]: |
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See also [[Portmanteau test]]. |
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*The [[Box-Pierce test]] outputs a Q-statistic (uppercase) which follows the chi-squared distribution |
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The q statistic or studentized range statistic is a statistic used for multiple significance testing across a number of means. |
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**The [[Ljung-Box test]] is a modified version of the Box-Pierce test which provides better small sample properties |
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*The [[Tukey-Kramer test]] outputs a q-statistic (lowercase), also called the studentized range statistic, which follows the studentized range distribution |
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[[Category:Statistical tests]] |
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Latest revision as of 21:10, 26 March 2024
The Q-statistic or q-statistic is a test statistic:
- The Box-Pierce test outputs a Q-statistic (uppercase) which follows the chi-squared distribution
- The Ljung-Box test is a modified version of the Box-Pierce test which provides better small sample properties
- The Tukey-Kramer test outputs a q-statistic (lowercase), also called the studentized range statistic, which follows the studentized range distribution
This disambiguation page lists articles associated with the title Q-statistic.
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