Metadata-Version: 2.4
Name: mosaic-clustering
Version: 0.5.0
Summary: Correlation based feature selection for MD data
Home-page: https://github.com/moldyn/MoSAIC
Author: braniii
License: MIT License
Project-URL: Documentation, https://moldyn.github.io/MoSAIC
Project-URL: Source Code, https://github.com/moldyn/MoSAIC
Project-URL: Bug Tracker, https://github.com/moldyn/MoSAIC/issues
Keywords: feature selection,MD analysis
Classifier: Development Status :: 5 - Production/Stable
Classifier: License :: OSI Approved :: MIT License
Classifier: Intended Audience :: Science/Research
Classifier: Natural Language :: English
Classifier: Programming Language :: Python :: 3
Classifier: Programming Language :: Python :: 3.9
Classifier: Programming Language :: Python :: 3.10
Classifier: Programming Language :: Python :: 3.11
Classifier: Programming Language :: Python :: 3.12
Classifier: Programming Language :: Python :: 3.13
Classifier: Programming Language :: Python :: 3.14
Classifier: Topic :: Scientific/Engineering :: Physics
Classifier: Topic :: Scientific/Engineering :: Bio-Informatics
Classifier: Topic :: Software Development :: Libraries :: Python Modules
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<div align="center">
  
  <img class="lightmode" style="width: 400px;" src="docs/logo_large_light.svg#gh-light-mode-only" />

  <p>
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    <a href="https://doi.org/10.1021/acs.jctc.2c00337" alt="doi">
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  </p>

  <p>
    <a href="https://moldyn.github.io/MoSAIC">Docs</a> •
    <a href="#features">Features</a> •
    <a href="#installation">Installation</a> •
    <a href="#usage">Usage</a> •
    <a href="https://moldyn.github.io/MoSAIC/faq">FAQ</a>
  </p>
</div>

# Molecular Systems Automated Identification of Cooperativity
MoSAIC is an unsupervised method for correlation analysis which automatically detects the collective motion in MD simulation data, while simultaneously identifying uncorrelated coordinates as noise.
Hence, it can be used as a feature selection scheme for Markov state modeling or simply to obtain a detailed picture of the key coordinates driving a biomolecular process.  It is based on the Leiden community detection algorithm which is used to bring a correlation matrix in a block-diagonal form.

The method was published in:
> **Correlation-Based Feature Selection to Identify Functional Dynamics in Proteins**  
> G. Diez, D. Nagel, and G. Stock,  
> *J. Chem. Theory Comput.* **2022** 18 (8), 5079-5088,  
> doi: [10.1021/acs.jctc.2c00337](https://pubs.acs.org/doi/10.1021/acs.jctc.2c00337)

If you use this software package, please cite the above mentioned paper.

## Features
- Intuitive usage via [module](#module---inside-a-python-script) and via [CI](#ci---usage-directly-from-the-command-line)
- Sklearn-style API for fast integration into your Python workflow
- No magic, only a  single parameter which can be optimized via cross-validation
- Extensive [documentation](https://moldyn.github.io/MoSAIC) and detailed discussion in publication
- Step by step [tutorial](https://moldyn.github.io/MoSAIC/tutorial/t4l_tutorial_github/) to follow


## Installation
The package is called `mosaic-clustering` and is available via [PyPI](https://pypi.org/project/mosaic-clustering) or [conda](https://anaconda.org/conda-forge/mosaic-clustering). To install it, simply call:
```bash
python3 -m pip install --upgrade mosaic-clustering
```
or
```
conda install -c conda-forge mosaic-clustering
```

or for the latest dev version
```bash
# via ssh key
python3 -m pip install git+ssh://git@github.com/moldyn/MoSAIC.git

# or via password-based login
python3 -m pip install git+https://github.com/moldyn/MoSAIC.git
```

In case one wants to use the deprecated `UMAPSimilarity` or the module `mosaic umap` one needs to specify the `extras_require='umap'`, so
```bash
python3 -m pip install --upgrade moldyn-mosaic[umap]
```

### Shell Completion
Using the `bash`, `zsh` or `fish` shell click provides an easy way to provide shell completion, checkout the [docs](https://click.palletsprojects.com/en/8.0.x/shell-completion).
In the case of bash you need to add following line to your `~/.bashrc`
```bash
eval "$(_MOSAIC_COMPLETE=bash_source mosaic)"
```

## Usage
In general one can call the module directly by its entry point `$ MoSAIC` or by calling the module `$ python -m mosaic`. The latter method is preferred to ensure using the desired python environment. For enabling the shell completion, the entry point needs to be used.

### CI - Usage Directly from the Command Line
The module brings a rich CI using [click](https://click.palletsprojects.com). Each module and submodule contains a detailed help, which can be accessed by
```bash
$ python -m mosaic
Usage: python -m mosaic [OPTIONS] COMMAND [ARGS]...

  MoSAIC motion v0.5.0

  Molecular systems automated identification of collective motion, is
  a correlation based feature selection framework for MD data.
  Copyright (c) 2021-2025, Georg Diez and Daniel Nagel

Options:
  --help  Show this message and exit.

Commands:
  clustering  Clustering similarity matrix of coordinates.
  similarity  Creating similarity matrix of coordinates.
  tui         Open Textual TUI for interactive usage.
```
For more details on the submodule one needs to specify one of the two
commands, or by opening the terminal user interface (tui).

A simple workflow example for clustering the input file `input_file` using
correlation and Leiden with CPM and the default resolution parameter:
```bash
# creating correlation matrix
$ python -m mosaic similarity -i input_file -o output_similarity --metric correlation -v

MoSAIC SIMILARITY
~~~ Initialize similarity class
~~~ Load file input_file
~~~ Fit input
~~~ Store similarity matrix in output_similarity

# clustering with CPM and default resolution parameter
# the latter needs to be fine-tuned to each matrix
$ python -m mosaic clustering -i output_similarity -o output_clustering --plot -v

MoSAIC CLUSTERING
~~~ Initialize clustering class
~~~ Load file output_similarity
~~~ Fit input
~~~ Store output
~~~ Plot matrix
```
This will generate the similarity matrix stored in `output_similarity`,
the plotted result in `output_clustering.matrix.pdf`, the raw data of
the matrix in `output_clustering.matrix` and a file containing in each
row the indices of a cluster.

### Module - Inside a Python Script
```python
import mosaic

# Load file
# X is np.ndarray of shape (n_samples, n_features)

sim = mosaic.Similarity(
    metric='correlation',  # or 'NMI', 'GY', 'JSD'
)
sim.fit(X)


# Cluster matrix
clust = mosaic.Clustering(
    mode='CPM',  # or 'modularity', 'linkage'
)
clust.fit(sim.matrix_)

clusters = clust.clusters_
clusterd_X = clust.matrix_
...
```
