Question
How to implement systematic sampling in Tableau i.e. statistical method involving the selection of elements from an ordered sampling frame. Example: Sampling product names at a sequence of 4 steps
Last Modified Date: 08 Jul 2022
Environment
- Tableau Desktop
Answer
1. Create a calculation called index:INDEX()
2. Create a calculation called index%step:
INDEX()%[step]
Where step is a integer type in parameter
3. A new filter calculation:
[index%step]=1
4. Drag to filter and select True
Input:
Output with step size of 4
Additional Information
If the population size is x and we have to select a sample size of n. Then, the next individual that we will select would be x/nth intervals away from the first individual.Thank you for providing your feedback on the effectiveness of the article.
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