---
name: "mlpack_nca"
section: "3"
platform: "linux"
package: "mlpack-doc"
version: "1.0.10-1"
release: "Debian 8 (Jessie)"
platforms: ["linux"]
url: "https://new.carta.tech/mlpack_nca/3"
---

# mlpack\_nca(3)

Neighborhood Components Analysis.

## NAME

mlpack::nca -

Neighborhood Components Analysis.

## SYNOPSIS

### Classes

class **NCA**\
 *An implementation of Neighborhood Components Analysis, both a linear dimensionality reduction technique and a distance learning technique.*  class **SoftmaxErrorFunction**\
 *The 'softmax' stochastic neighbor assignment probability function.*

## Detailed Description

Neighborhood Components Analysis.

## Author

Generated automatically by Doxygen for MLPACK from the source code.