---
name: rolling_window
kind: function
lang: py
domain: datascience
version: "1.0.0"
purity: pure
signature: "def rolling_window(xs: list, size: int) -> list"
description: "Genera ventanas deslizantes de tamanio fijo sobre una lista."
tags: [windowing, timeseries, python]
uses_functions: []
uses_types: []
returns: []
returns_optional: false
error_type: ""
imports: []
tested: false
tests: []
test_file_path: ""
file_path: "python/functions/datascience/datascience.py"
---

## Ejemplo

```python
rolling_window([1, 2, 3, 4, 5], 3)
# [[1, 2, 3], [2, 3, 4], [3, 4, 5]]
```

## Notas

Retorna lista vacia si size <= 0 o size > len(xs). Util para calcular medias moviles u otras metricas sobre ventanas.