This skill should be used for time series machine learning tasks including classification, regression, clustering, forecasting, anomaly detection, segmentation, and similarity search. Use when working with temporal data, sequential patterns, or time-indexed observations
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This skill should be used for time series machine learning tasks including classification, regression, clustering, forecasting, anomaly detection, segmentation, and similarity search. Use when working with temporal data, sequential patterns, or time-indexed observations
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</> SKILL.md
aeon.SKILL.md
---name: aeon
description: This skill should be used for time series machine learning tasks including classification, regression, clustering, forecasting, anomaly detection, segmentation, and similarity search. Use when working with temporal data, sequential patterns, or time-indexed observations requiring specialized algorithms beyond standard ML approaches. Particularly suited for univariate and multivariate time series analysis with scikit-learn compatible APIs.
license: BSD-3-Clause license
allowed-tools: Read Write Edit Bash
compatibility: Requires Python 3.10+ and the aeon package (uv pip install). Optional aeon[all_extras] for deep learning and extended dependencies.
metadata: {"version": "1.0", "skill-author": "K-Dense Inc."}
---# Aeon Time Series Machine Learning
## Overview
Aeon is a scikit-learn compatible Python toolkit for time series machine learning ([aeon-toolkit.org](https://www.aeon-toolkit.org/)). It provides algorithms across classification, regression, clustering, forecasting, anomaly detection, segmentation, similarity search, distances, transformations, benchmarking, and visualization — with a consistent estimator API.
**Version note:** Examples target **aeon 1.x** (stable docs: v1.4.0, March 2026). The v1.0 release reworked forecasting and transformations; import paths differ from aeon 0.x/sktime-era code.
## When to Use This Skill
Apply this skill when:
- Classifying or predicting from time series data
- Detecting anomalies or change points in temporal sequences
- Clustering similar time series patterns
- Forecasting future values
- Finding repeated patterns (motifs) or unusual subsequences (discords)
- Comparing time series with specialized distance metrics
- Extracting features from temporal data
## Installation
Requires **Python 3.10+** (3.11+ recommended). Pin a 1.x release for reproducibility:
```bash
uv pip install "aeon>=1.4,<2"
```
For deep learning forecasters/classifiers and other optional estimators:
```bash
uv pip install "aeon[all_extras]>=1.4,<2"
```
On zsh, quote the extras: `uv pip install "aeon[all_extras]>=1.4,<2"`.
### Experimental modules
Upstream treats **forecasting**, **anomaly_detection**, **segmentation**, **similarity_search**, and **visualisation** as experimental — interfaces may change between minor releases. Prefer stable modules (classification, regression, clustering, distances, transformations) for production pipelines unless you need these tasks.
## Core Capabilities
### 1. Time Series Classification
Categorize time series into predefined classes. See `references/classification.md` for complete algorithm catalog.
**Quick Start:**
```python
from aeon.classification.convolution_based import RocketClassifier
1. **Normalize**: Most algorithms benefit from z-normalization
```python
from aeon.transformations.collection import Normalizer
normalizer = Normalizer()
X_train = normalizer.fit_transform(X_train)
X_test = normalizer.transform(X_test)
```
2. **Handle Missing Values**: Impute before analysis
```python
from aeon.transformations.collection import SimpleImputer
imputer = SimpleImputer(strategy='mean')
X_train = imputer.fit_transform(X_train)
```
3. **Check Data Format**: Collections use `(n_cases, n_channels, n_timepoints)`; single series use `(n_channels, n_timepoints)` (see [data format](https://www.aeon-toolkit.org/en/stable/api_reference/data_format.html))
### Model Selection
1. **Start Simple**: Begin with ROCKET variants before deep learning
2. **Use Validation**: Split training data for hyperparameter tuning
3. **Compare Baselines**: Test against simple methods (1-NN Euclidean, Naive)
4. **Consider Resources**: ROCKET for speed, deep learning if GPU available
