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Sample size and running time - Docs - PostHog

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When creating an experiment, we provide recommended running times and sample sizes based on the parameters you choose. These values serve as…

Running time and sample size Contents Finding the calculator Calculation modes Automatic mode Manual mode Minimum detectable effect (MDE) Understanding the results Tips for accurate estimates Before running an experiment, you'll want to know how long it needs to run to get reliable results. The running time calculator helps you estimate this based on your traffic and the size of effect you want to detect. Finding the calculator The running time indicator appears on your experiment page, showing the estimated remaining time and a progress indicator: Click the gear icon next to the time estimate

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