GeezerVison is showing github.com — GITBOOK-15: Reliability Analysis · visualpython/visualpython@80f9bdb
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1 | 1 | # 5. Correlation Analysis |
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| 5 | +<figure><img src="../.gitbook/assets/image (122).png" alt="" width="229"><figcaption></figcaption></figure> |
| 6 | + |
| 7 | +1. Click on _**Correlation Analysis**_ in the _**Statistics**_ category. |
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| 11 | +<figure><img src="../.gitbook/assets/image (123).png" alt="" width="563"><figcaption></figcaption></figure> |
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| 13 | +2. _**Data**_: Select the data for correlation analysis. You can use [_**Subset**_](../data-analysis/5.-subset.md) to choose only the data that satisfies specific conditions. |
| 14 | +3. _**Variable:**_ Choose the variables from the selected data for which you want to analyze the correlation. |
| 15 | +4. _**Correlation**_: Select the method for correlation analysis. |
| 16 | +5. _**Display**_: Visualize the results of the correlation analysis. |
| 17 | +6. _**Code View**_: Preview the code that will be generated. |
| 18 | +7. _**Data View**_: Preview the data that will be output. |
| 19 | +8. _**Run**_: Execute the code. |
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1 | 1 | # 6. Reliability Analysis |
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| 5 | +<figure><img src="../.gitbook/assets/image (124).png" alt="" width="229"><figcaption></figcaption></figure> |
| 6 | + |
| 7 | +1. Click on _**Reliability Analysis**_ in the _**Statistics**_ category. |
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| 11 | +<figure><img src="../.gitbook/assets/image (125).png" alt="" width="563"><figcaption></figcaption></figure> |
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| 13 | +2. _**Data**_: Select the data for Reliability Analysis. You can specify only the data that meets specific conditions from the chosen DataFrame through [_**Subset**_](../data-analysis/5.-subset.md). |
| 14 | +3. _**Variable**_: Choose the columns for Reliability Analysis from the data selected above. |
| 15 | +4. _**Code View**_: Preview the code that will be generated. |
| 16 | +5. _**Data View**_: Preview the data that will be output. |
| 17 | +6. _**Run**_: Execute the code. |
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| 21 | +### Output Example |
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| 25 | +<figure><img src="../.gitbook/assets/image (126).png" alt="" width="563"><figcaption></figcaption></figure> |
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| 27 | +* _**Cronbach Alpha**_ used in Reliability Analysis is a statistical method measuring _**Consistency**_, and this consistency is an indicator of Reliability. |
| 28 | +* The Cronbach Alpha value is output between 0 and 1, where closer to 1 indicates higher consistency. The _**N**_ value represents the number of columns selected. |
| 29 | +* _**The Item-Total Statistics t**_able displays the mean, variance, and Cronbach Alpha values for each column's presence or absence. Additionally, _**Corrected Item-Total Correlation**_ indicates how consistent each column is with the total. |
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