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Add environment, license, README
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Nana Mensah authored and Nana Mensah committed Sep 6, 2019
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1 change: 1 addition & 0 deletions .gitignore
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# ploffer ignores
.snakemake/
.vscode/

# Byte-compiled / optimized / DLL files
__pycache__/
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21 changes: 21 additions & 0 deletions LICENSE.txt
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MIT License

Copyright (c) 2019 Nana Mensah

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
59 changes: 58 additions & 1 deletion README.md
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# snakepot
:tea: A snakemake wrapper for the TPOT auto-ML classifier

![snakepot_logo](_assets/snakepot.png)

`snakepot` is a snakemake workflow designed to train and evaluate a binary classifier using the [TPOT auto-ML library](http://automl.info/tpot/).

## Quick Start

1. [Install snakepot](#Setup) (requires conda)

1. Edit parameters in [config.json](#config.json)

1. Run `snakemake`

1. View outputs in new directory

## Features

I developed `snakepot` during my elective at the William Harvey Research Institute. We used `snakepot` to quickly train a baseline model on a variety of gene-phenotype datasets. The workflow takes the following steps:

1. Clean the data set (simple N/A drop by rows and explicit drop by columns)
2. Split data into train/test/validate sets
3. Call the TPOT automated machine learning algorithm to train a classifier
4. Save classifier and re-run it on the houldout/validation data
5. Evaluate the classifier on the holdout set
6. Call the classifier for predictions on the unlabelled data

An example dataset (/test/data.csv) and config file (config.json) are provided.

## Installation

```bash
# Build conda environment
conda env create -f environment.yaml
conda activate snakepot
# Install python helper scripts to path
pip install .
# Run the workflow in Snakefile using config.json
snakemake
```

## config.json

|Parameter|Description|
|-----|-----|
|directory|Output directory for new files|
|input|Input CSV file. All data must be encoded as binary or continuous variables|
|drop_columns|Features to drop from the data. Skipped if not found|
|encode_columns|Categorical features to encode. Skipped if not found|
|target_column|The name of the target variable|
|target_1|Target variable value to label as '1'|
|target_0|Target variable value to label as '0'|
|to_predict|Target variable value for final predictions|
|perc_split|Percentage of training data (target '1' or '0') to split for holdout set|
|TPOT_max_time|Maximum time to run TPOT in muntes|

## License

MIT License. Copyright (c) 2019 Nana Mensah
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94 changes: 94 additions & 0 deletions environment.yaml
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name: snakepot
channels:
- bioconda
- conda-forge
- defaults
dependencies:
- snakemake-minimal=5.4.4=py_1
- appdirs=1.4.3=py_1
- asn1crypto=0.24.0=py37_1003
- attrs=19.1.0=py_0
- blas=1.0=mkl
- category_encoders=1.3.0=py_0
- certifi=2019.3.9=py37_0
- cffi=1.12.2=py37hf0e25f4_1
- chardet=3.0.4=py37_1003
- configargparse=0.13.0=py_1
- cryptography=2.6.1=py37h72c5cf5_0
- datrie=0.7.1=py37h14c3975_0
- docutils=0.14=py37_1001
- gitdb2=2.0.5=py_0
- gitpython=2.1.11=py_0
- idna=2.8=py37_1000
- jedi=0.13.3=py37_0
- jsonschema=3.0.1=py37_0
- patsy=0.5.1=py_0
- pexpect=4.6.0=py37_0
- pip=19.0.3=py37_0
- psutil=5.6.1=py37h14c3975_0
- ptyprocess=0.6.0=py37_0
- pycparser=2.19=py37_1
- pyopenssl=19.0.0=py37_0
- pyrsistent=0.14.11=py37h14c3975_0
- pysocks=1.6.8=py37_1002
- pyyaml=5.1=py37h14c3975_0
- ratelimiter=1.2.0=py37_1000
- requests=2.21.0=py37_1000
- setuptools=41.0.0=py37_0
- smmap2=2.0.5=py_0
- statsmodels=0.9.0=py37h3010b51_1000
- traitlets=4.3.2=py37_0
- urllib3=1.24.1=py37_1000
- wheel=0.33.1=py37_0
- wrapt=1.11.1=py37h14c3975_0
- yaml=0.1.7=h14c3975_1001
- _libgcc_mutex=0.1=main
- backcall=0.1.0=py37_0
- ca-certificates=2019.1.23=0
- decorator=4.4.0=py37_1
- intel-openmp=2019.3=199
- ipython=7.4.0=py37h39e3cac_0
- ipython_genutils=0.2.0=py37_0
- joblib=0.13.2=py37_0
- libedit=3.1.20181209=hc058e9b_0
- libffi=3.2.1=hd88cf55_4
- libgcc-ng=8.2.0=hdf63c60_1
- libgfortran-ng=7.3.0=hdf63c60_0
- libstdcxx-ng=8.2.0=hdf63c60_1
- mkl=2019.3=199
- mkl_fft=1.0.10=py37ha843d7b_0
- mkl_random=1.0.2=py37hd81dba3_0
- ncurses=6.1=he6710b0_1
- numpy=1.16.2=py37h7e9f1db_0
- numpy-base=1.16.2=py37hde5b4d6_0
- openssl=1.1.1b=h7b6447c_1
- pandas=0.24.2=py37he6710b0_0
- parso=0.3.4=py37_0
- pickleshare=0.7.5=py37_0
- prompt_toolkit=2.0.9=py37_0
- pygments=2.3.1=py37_0
- python=3.7.3=h0371630_0
- python-dateutil=2.8.0=py37_0
- pytz=2018.9=py37_0
- readline=7.0=h7b6447c_5
- scikit-learn=0.20.3=py37hd81dba3_0
- scipy=1.2.1=py37h7c811a0_0
- six=1.12.0=py37_0
- sqlite=3.27.2=h7b6447c_0
- tk=8.6.8=hbc83047_0
- wcwidth=0.1.7=py37_0
- xz=5.2.4=h14c3975_4
- zlib=1.2.11=h7b6447c_3
- pip:
- beautifulsoup4==4.8.0
- deap==1.2.2
- logbook==1.5.2
- snakemake==5.4.4
- snowballstemmer==1.2.1
- soupsieve==1.9.3
- stopit==1.1.2
- tpot==0.10.0
- tqdm==4.31.1
- update-checker==0.16
prefix: /home/nana/miniconda3/envs/snakepot

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