# Frequency

> What repeats, and how often?

Record: `reasoning:lens-frequency`
Kind: lens
Canonical: https://banes-lab.com/ontology/reasoning#reasoning-lens-frequency

Listed in [Reasoning records](https://banes-lab.com/api/records/reasoning.md), after [Statistical](https://banes-lab.com/records/reasoning/lens-statistical.md) and before [Sequential](https://banes-lab.com/records/reasoning/lens-sequential.md).

## Detected by

- [Cross-Class Pattern Detection](https://banes-lab.com/records/algorithms/cross-class-pattern-detection.md)

## Test surfaces

- [observability-correctness](https://banes-lab.com/records/reasoning/test-surface-observability-correctness.md)

## Universal axis

- [dynamics](https://banes-lab.com/records/reasoning/universal-axis-dynamics.md)

## Concept of

- [Frequency Analysis](https://banes-lab.com/records/reasoning/node-ana-frequency.md)

## Linked from

- [Pattern distillation](https://banes-lab.com/ontology/algorithms/algorithms-domain-pattern-distillation.md)
- [The nodes](https://banes-lab.com/ontology/reasoning/the-nodes.md)
- [The universal axes](https://banes-lab.com/ontology/reasoning/the-universal-axes.md)
- [The test surfaces](https://banes-lab.com/ontology/reasoning/the-test-surfaces.md)
- [The uncovered cells](https://banes-lab.com/ontology/reasoning/the-uncovered-cells.md)