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GITBOOK-59: Equal Var. test
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docs/statistics/4.-equal-var.-test.md

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# 4. Equal Var. Test
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<figure><img src="../.gitbook/assets/image (114).png" alt="" width="240"><figcaption></figcaption></figure>
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<figure><img src="../.gitbook/assets/image (292).png" alt="" width="462"><figcaption></figcaption></figure>
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1. Select the _**Equal Var. Test**_ in the _**Statistics**_ category.
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<figure><img src="../.gitbook/assets/image (115).png" alt="" width="563"><figcaption></figcaption></figure>
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<figure><img src="../.gitbook/assets/image (293).png" alt="" width="563"><figcaption></figcaption></figure>
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2. Choose the type of test to apply.
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### Long Data
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<figure><img src="../.gitbook/assets/image (116).png" alt="" width="563"><figcaption></figcaption></figure>
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<figure><img src="../.gitbook/assets/image (294).png" alt=""><figcaption></figcaption></figure>
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1. _**Input Type**_: Select the format of the data to be tested.
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2. _**Data**_: Choose the data to be tested. You can use [_**Subset**_](../data-analysis/5.-subset.md) to select only the data that satisfies specific conditions.
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3. _**Factor**_: Choose the criterion for dividing the groups for testing equal variance among the data selected in 2.
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4. _**Variable**_: Select the values that constitute the variance among the data chosen in 2.
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5. _**Center(Levene test, Fligner test)**_: Choose the criterion for testing equal variance of the columns.
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5. _**Center(Levene test, Fligner test)**_: Specifies the centering method. Center the data around the selected value. Check how spread out the data is around the selected value.
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***
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### Wide Data
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<figure><img src="../.gitbook/assets/image (117).png" alt="" width="563"><figcaption></figcaption></figure>
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<figure><img src="../.gitbook/assets/image (295).png" alt=""><figcaption></figcaption></figure>
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1. _**Input Type**_: Select the format of the data to be tested.
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2. _**Data**_: Choose the data to be tested. You can use [_**Subset**_](../data-analysis/5.-subset.md) to select only the data that satisfies specific conditions.
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3. Select the columns for the data chosen above to test for equal variance.
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4. _**Center(Levene test, Fligner test)**_: Choose the criterion for testing the equal variance of the columns.
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2. _**Data**_: Choose the data to be tested. You can use [_**Subset**_](../data-analysis/5.-subset.md) to select only the data that satisfies specific conditions. Select the columns for the data chosen above to test for equal variance.
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3. _**Center(Levene test, Fligner test)**_: Specifies the centering method. Center the data around the selected value. Check how spread out the data is around the selected value.
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