Validate a positive sampling period and return its integer stride.
| Name | Type | Description | Default |
|---|---|---|---|
| period | Requested output period. | required | |
| dt | Receiving input interval, in the same units as period. |
required | |
| label | Name used in validation errors. | 'period' |
| Name | Type | Description |
|---|---|---|
| int | period / dt after validating that the ratio is a positive integer. |
# sampling_stride { #tvboptim.observations.sampling_stride }
```python
observations.sampling_stride(period, dt, *, label='period')
```
Validate a positive sampling period and return its integer stride.
## Parameters {.doc-section .doc-section-parameters}
| Name | Type | Description | Default |
|--------|--------|------------------------------------------------------------|------------|
| period | | Requested output period. | _required_ |
| dt | | Receiving input interval, in the same units as ``period``. | _required_ |
| label | | Name used in validation errors. | `'period'` |
## Returns {.doc-section .doc-section-returns}
| Name | Type | Description |
|--------|--------------|------------------------------------------------------------------------|
| | [int](`int`) | ``period / dt`` after validating that the ratio is a positive integer. |