# classifier を Homebrew でインストール

classifier のインストール経路、実行ファイル、メタデータ、AI エージェント向けセキュリティノートを確認します。

## インストール

```sh
sudo av install brew:classifier
```

追加のインストールコマンド:

### macOS

- Homebrew (100%):

```sh
brew install classifier
```

  証拠: local Homebrew formula metadata

## パッケージ情報

- **パッケージキー:** brew:classifier
- **パッケージマネージャ:** Homebrew
- **パッケージマネージャページ:** <https://formulae.brew.sh/formula/classifier>
- **バージョン:** 2.6.0
- **ソース概要:** Text classification with Bayesian, LSI, Logistic Regression, and kNN
- **ホームページ:** <https://rubyclassifier.com>
- **リポジトリ:** <https://github.com/cardmagic/classifier>
- **上流ドキュメント:** <https://rubyclassifier.com>
- **ライセンス:** LGPL-2.1-or-later
- **ソースアーカイブ:** <https://github.com/cardmagic/classifier/archive/refs/tags/v2.6.0.tar.gz>
- **最終更新:** 2026-06-26T00:37:48Z
- **生成日時:** 2026-08-04T22:13:35+00:00

## 実行可能ファイル

- classifier (cli)
- classifier (エイリアス)

## 依存関係

- ruby

## インストール挙動

- post-install フック: 未定義
- Bottle: 利用可能 対象 arm64_linux, arm64_sequoia, arm64_sonoma, arm64_tahoe, sonoma, x86_64_linux

## バージョンと鮮度

- ページ生成日: 2026-08-04
- マネージャ版: 2.6.0
- マネージャ更新日: 2026-06-26
- ローカルデータ: OK
- 上流リポジトリ: https://github.com/cardmagic/classifier
- 検出された最新: v2.6.0 (最新)
## プロジェクトの歴史と使われ方

Ruby Classifier is a Ruby text-classification library and CLI providing Bayesian classification, LSI, logistic regression, k-nearest neighbors, TF-IDF vectorization, streaming training, persistence, and native LSI acceleration.

### プロジェクトの歴史

The GitHub repository was created in 2008. The gemspec and README describe it as a Ruby library for text classification with Naive Bayes, LSI, logistic regression, kNN, TF-IDF, pluggable persistence, and a native C extension.

The modern 2.x series refreshed the package in late 2025 and 2026, adding current documentation at rubyclassifier.com and a CLI-oriented Homebrew distribution path.

### 採用の歴史

RubyGems reported 1,162,163 total downloads for the classifier gem, making the Ruby package history much larger than the Homebrew CLI footprint. Homebrew packages version 2.6.0 and reported 131 installs over the prior 365 days.

### 使われ方

As a Ruby gem, users require classifier classes for Bayes, LSI, logistic regression, kNN, and TF-IDF workflows. As a CLI, users can classify text with pretrained models, list models, train categories from files, and classify new strings.

### パッケージ好きにとっての重要性

classifier is notable because an old Ruby ML/text-processing gem now spans RubyGems, generated API docs, a dedicated docs site, native extension compilation, and a Homebrew CLI package.

### タイムライン

- 2008: GitHub repository created.
- 2024: v1.4.4 released in the 1.x line.
- 2025: v2.0.0 released.
- 2026: v2.6.0 released and packaged by Homebrew as stable.

### Related projects

- The package relates to RubyGems and RubyDoc as its primary Ruby distribution and API documentation surfaces.
- Its README positions it against older forks by emphasizing additional algorithms, incremental LSI, streaming, persistence, and native acceleration.

### ソース

- <https://github.com/cardmagic/classifier#readme>
- <https://rubyclassifier.com/docs>
- <https://rubygems.org/api/v1/gems/classifier.json>
- <https://rubygems.org/api/v1/versions/classifier.json>
- <https://api.github.com/repos/cardmagic/classifier>
- <https://api.github.com/repos/cardmagic/classifier/releases>
- <https://formulae.brew.sh/api/formula/classifier.json>


## セキュリティノート

classifier に一致するローカルシークレット処理マニフェストは見つかりませんでした。将来の対応で安定したパッケージ URL を使えるよう、パッケージメタデータはここに公開されています。


## ソースデータベース詳細

- **Source Database:** Homebrew formula API
- **Tap:** homebrew/core
- **Full Name:** classifier
- **Version Scheme:** 0
- **Revision:** 0
- **Bottle Stable Root URL:** <https://ghcr.io/v2/homebrew/core>
- **Deprecated:** no
- **Disabled:** no
- **Keg Only:** no
- **URL Keys:** stable


## 関連リンク

- [Package publisher tools](https://pkg.so/ja/package-publishers/) - Belongs to a package publishing or registry command family.
- [Terminal utility packages](https://pkg.so/ja/terminal-utilities/) - Matched terminal and command-line workflow metadata.
- [Text processing packages](https://pkg.so/ja/text-processing-tools/) - Matched text, document, or structured-data processing metadata.
- [Language runtime packages](https://pkg.so/ja/language-runtime-packages/) - Matched language runtime, compiler, or interpreter metadata.
- [ruby](https://pkg.so/ja/brew/ruby/) - Runtime dependency declared by Homebrew.
- [crfsuite](https://pkg.so/ja/brew/crfsuite/) - Shares pkgdb curated category or tags: cli, data, machine-learning.
- [sqlite](https://pkg.so/ja/brew/sqlite/) - Shares pkgdb curated category or tags: cli, data.
- [protobuf](https://pkg.so/ja/brew/protobuf/) - Shares pkgdb curated category or tags: cli, data.
- [bzip2](https://pkg.so/ja/brew/bzip2/) - Shares pkgdb curated category or tags: cli, data.
- [redis](https://pkg.so/ja/brew/redis/) - Shares pkgdb curated category or tags: cli, data.
- [gdbm](https://pkg.so/ja/brew/gdbm/) - Shares pkgdb curated category or tags: cli, data.
- [freetds](https://pkg.so/ja/brew/freetds/) - Shares pkgdb curated category or tags: cli, data.
- [mysql](https://pkg.so/ja/brew/mysql/) - Shares pkgdb curated category or tags: cli, data.
- [liblinear](https://pkg.so/ja/brew/liblinear/) - Local package facts share a topical domain. Shared terms: classification, cli, learning, logistic, logistic-regression.
- [dexter](https://pkg.so/ja/brew/dexter/) - Both packages touch the same language runtime or ecosystem. Shared terms: cli, data, ruby.

## Combined YAML source

View the package source record on GitHub. [combined/classifier.yml](https://github.com/mxcl/pkgdb/blob/main/combined/classifier.yml)


## ソース

- pkg.so package database
- Geiger risk classifier
- package-page enrichment
- curated package history
- package version freshness
- pkgdb category and tag curation
- package relationship graph
- cross-ecosystem install command graph