> For the complete documentation index, see [llms.txt](https://developer.harness.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developer.harness.io/feature-management-experimentation/use-fme/experimentation/setup/metric-selection.md).

# Metric Selection

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[Selecting key metrics](/feature-management-experimentation/use-fme/experimentation/setup/metric-selection/key-metrics.md)
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[Selecting guardrail metrics](/feature-management-experimentation/use-fme/experimentation/setup/metric-selection/guardrail-metrics.md)
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[Selecting supporting metrics](/feature-management-experimentation/use-fme/experimentation/setup/metric-selection/supporting-metrics.md)
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[Metric selection](/feature-management-experimentation/use-fme/experimentation/setup/metric-selection/index.md)
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