RCF3
rcf3 provides streaming anomaly detectors in Rust with Python bindings.
What it provides
- Random Cut Forest for online anomaly detection, feature attribution, neighborhood search, missing-value imputation, and time-series forecasting
- Online Isolation Forest for numerical streams with sliding-window updates
- mStream for mixed numerical/categorical streaming anomaly detection with feature-level score decomposition
- FeatureSketch for sparse feature-name streams whose schema can grow or shrink over time
- Rust and Python APIs over the same core implementation
Documentation
- Documentation index
- Forest API guide
- OnlineIForest API guide
- MStream API guide
- FeatureSketch API guide
Quick orientation
Use Forest when your stream is represented as numerical observations and you want the broader RCF feature set:
use rcf3::Forest;
let mut forest = Forest::builder(2).build()?;
forest.update(&[1.5, 2.3])?;
Use OnlineIForest when you want a compact numerical detector with sliding-window updates:
use rcf3::OnlineIForest;
let mut detector = OnlineIForest::builder(2).build()?;
let score = detector.update_and_score(&[1.5, 2.3])?;
Use MStream when each event has separate numerical and categorical aspects:
use rcf3::MStream;
let mut detector = MStream::builder(2, 1).build()?;
let score = detector.update_and_score(&[1.5, 2.0], &[7], 1)?;
Use FeatureSketch when each event is a sparse set of named features and the feature universe is not fixed:
use rcf3::FeatureSketch;
let mut detector = FeatureSketch::builder().build()?;
let score = detector.update_and_score([
("endpoint:/login", 1.0),
("status:401", 1.0),
("bytes", 812.0),
])?;
Features
The crate supports several compile-time features:
std (enabled by default)
Enables use of the Rust standard library. Disable this for no_std environments:
[dependencies]
rcf3 = { version = "0.4", default-features = false }
serde (enabled by default)
Provides JSON serialization and deserialization support for persisted detector state:
[dependencies]
rcf3 = { version = "0.4", features = ["serde", "std"] }
python (optional)
Builds Python bindings using PyO3, enabling use from Python. Automatically enables serde and std:
[dependencies]
rcf3 = { version = "0.4", features = ["python"] }
To use just the core algorithm without serialization:
[dependencies]
rcf3 = { version = "0.4", default-features = false, features = ["std"] }
License
Licensed under either of the Apache License 2.0 or MIT license, at your option.
1 maintainer
Metadata
1 maintainer
Release files for rcf3 0.5.2
For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.
Source distribution (sdist)
| File | Size | Uploaded | |
|---|---|---|---|
| rcf3-0.5.2.tar.gz | 145.4 kB | Details |
Built distributions (wheels)
| File | Reset | |||
|---|---|---|---|---|
| rcf3-0.5.2-pp311-pypy311_pp73-win_amd64.whl | PyPy 3.11 | PyPy 3.11 7.3 | Windows x86-64 | Details |
| rcf3-0.5.2-pp311-pypy311_pp73-manylinux_2_28_x86_64.whl | PyPy 3.11 | PyPy 3.11 7.3 | Linux glibc 2.28+ x86-64 | Details |
| rcf3-0.5.2-pp311-pypy311_pp73-manylinux_2_28_aarch64.whl | PyPy 3.11 | PyPy 3.11 7.3 | Linux glibc 2.28+ ARM64 | Details |
| rcf3-0.5.2-pp311-pypy311_pp73-macosx_11_0_arm64.whl | PyPy 3.11 | PyPy 3.11 7.3 | macOS 11.0+ ARM64 | Details |
| rcf3-0.5.2-cp314-cp314t-win_arm64.whl | CPython 3.14 | CPython 3.14 free-threading | Windows ARM64 | Details |
| rcf3-0.5.2-cp314-cp314t-win_amd64.whl | CPython 3.14 | CPython 3.14 free-threading | Windows x86-64 | Details |
| rcf3-0.5.2-cp314-cp314t-musllinux_1_2_x86_64.whl | CPython 3.14 | CPython 3.14 free-threading | Linux musl 1.2+ x86-64 | Details |
| rcf3-0.5.2-cp314-cp314t-musllinux_1_2_riscv64.whl | CPython 3.14 | CPython 3.14 free-threading | Linux musl 1.2+ RISC-V 64 | Details |
| rcf3-0.5.2-cp314-cp314t-musllinux_1_2_aarch64.whl | CPython 3.14 | CPython 3.14 free-threading | Linux musl 1.2+ ARM64 | Details |
| rcf3-0.5.2-cp314-cp314t-manylinux_2_34_riscv64.whl | CPython 3.14 | CPython 3.14 free-threading | Linux glibc 2.34+ RISC-V 64 | Details |
| rcf3-0.5.2-cp314-cp314t-manylinux_2_28_x86_64.whl | CPython 3.14 | CPython 3.14 free-threading | Linux glibc 2.28+ x86-64 | Details |
| rcf3-0.5.2-cp314-cp314t-manylinux_2_28_aarch64.whl | CPython 3.14 | CPython 3.14 free-threading | Linux glibc 2.28+ ARM64 | Details |
| rcf3-0.5.2-cp314-cp314t-macosx_11_0_arm64.whl | CPython 3.14 | CPython 3.14 free-threading | macOS 11.0+ ARM64 | Details |
| rcf3-0.5.2-cp311-abi3-win_arm64.whl | CPython 3.11 | abi3 | Windows ARM64 | Details |
| rcf3-0.5.2-cp311-abi3-win_amd64.whl | CPython 3.11 | abi3 | Windows x86-64 | Details |
| rcf3-0.5.2-cp311-abi3-pyemscripten_2026_0_wasm32.whl | CPython 3.11 | abi3 | PyEmscripten 2026.0+ WebAssembly | Details |
| rcf3-0.5.2-cp311-abi3-musllinux_1_2_x86_64.whl | CPython 3.11 | abi3 | Linux musl 1.2+ x86-64 | Details |
| rcf3-0.5.2-cp311-abi3-musllinux_1_2_riscv64.whl | CPython 3.11 | abi3 | Linux musl 1.2+ RISC-V 64 | Details |
| rcf3-0.5.2-cp311-abi3-musllinux_1_2_aarch64.whl | CPython 3.11 | abi3 | Linux musl 1.2+ ARM64 | Details |
| rcf3-0.5.2-cp311-abi3-manylinux_2_34_riscv64.whl | CPython 3.11 | abi3 | Linux glibc 2.34+ RISC-V 64 | Details |
| rcf3-0.5.2-cp311-abi3-manylinux_2_28_x86_64.whl | CPython 3.11 | abi3 | Linux glibc 2.28+ x86-64 | Details |
| rcf3-0.5.2-cp311-abi3-manylinux_2_28_aarch64.whl | CPython 3.11 | abi3 | Linux glibc 2.28+ ARM64 | Details |
| rcf3-0.5.2-cp311-abi3-macosx_11_0_arm64.whl | CPython 3.11 | abi3 | macOS 11.0+ ARM64 | Details |
| rcf3-0.5.2-cp311-abi3-android_24_x86_64.whl | CPython 3.11 | abi3 | Android API level 24+ x86-64 | Details |
| rcf3-0.5.2-cp311-abi3-android_24_arm64_v8a.whl | CPython 3.11 | abi3 | Android API level 24+ ARM64 v8a | Details |
Total release size: 12.9 MB
Release files / rcf3-0.5.2.tar.gz
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| Tags | CPython 3.14 CPython 3.14 free-threading Linux glibc 2.28+ ARM64 |
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| Tags | CPython 3.14 CPython 3.14 free-threading macOS 11.0+ ARM64 |
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| Size | 444.7 kB |
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| Download URL | rcf3-0.5.2-cp311-abi3-pyemscripten_2026_0_wasm32.whl |
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uv/0.12.1 {"installer":{"name":"uv","version":"0.12.1","subcommand":["publish"]},"python":null,"implementation":{"name":null,"version":null},"distro":{"name":"Ubuntu","version":"24.04","id":"noble","libc":null},"system":{"name":null,"release":null},"cpu":null,"openssl_version":null,"setuptools_version":null,"rustc_version":null,"ci":true}
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| Download URL | rcf3-0.5.2-cp311-abi3-manylinux_2_28_aarch64.whl |
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| Download URL | rcf3-0.5.2-cp311-abi3-macosx_11_0_arm64.whl |
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| Download URL | rcf3-0.5.2-cp311-abi3-android_24_x86_64.whl |
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