# OLS Transformation N (OLS_TRANSFORMATIONN)

> QuantNexus indicator page for rolling OLS transformation output.

**Route**: `/quantnexus/indicators/ols-transformationn/`

## What It Does

OLS_TRANSFORMATIONN applies a rolling ordinary least squares transformation to the input series.

## Formula

`Transformed output = rolling OLS fit of the input series`

## Parameters

- `period` - default `10`

## C++23 API

```cpp
#include <nonabt/indicators/ols_transformationn.hpp>
auto olsTransform = std::make_unique<nonabt::OLS_TRANSFORMATIONN>(data().close(), 10);
```

## Common Usage

- Use it when you need a regression-adjusted representation of price.
- Helpful for statistical analysis and trend normalization.
- Treat it as a helper output rather than a direct trigger.