计划、设计和建立列车和测试矩阵
matrix-architect的Python项目详细描述
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Plan, design, and build train and test matrices
[](https://travis-ci.org/dssg/architect) [](https://codecov.io/gh/dssg/architect) [](https://codeclimate.com/github/dssg/architect)
In order to run classification algorithms on source data, this data must be properly organized into design matrices. Converting cleaned data into these matrices is not a trivial task; the process of creating the needed features and labels for an experiment from source data can be complicated, creating the matrices themselves out of features and labels can be inefficient, and there is opportunity at each step to leak data backwards in time to give model trained on a matrix an unfair advantage.
The Architect addresses these issues with functionality aimed at all tasks between cleaned source data (in a PostgreSQL database) and design matrices.
## Components
- [LabelGenerator](architect/label_generators.py): Create binary labels suitable for a design matrix by querying a database table containing outcome events.
- [FeatureGenerator](architect/feature_generators.py): Create aggregate features suitable for a design matrix from a set of database tables containing events. Uses [collate](https://github.com/dssg/collate/) to build aggregation SQL queries.
- [FeatureGroupCreator](architect/feature_group_creator.py), [FeatureGroupMixer](architect/feature_group_mixer.py): Create groupings of features, and mix them using different strategies (like ‘leave one out’) to test their effectiveness.
- [Planner](architect/planner.py), [Builder](architect/builders.py): Build all design matrices needed for an experiment, taking into account different labels, state configurations, and feature groups.
In addition to being usable individually to assist in different aspects of building matrices in your project, the Architect components are integrated in [triage](https://github.com/dssg/triage) as a part of an entire modeling experiment that incorporates later tasks like model training and testing.
## Distributing, Building & Testing
The Architect is a Python package distributable via setuptools. It may be installed directly using easy_install or pip, or listed as a dependency of another package (namely triage), under the package name matrix-architect.
To build this package for development, its dependencies may be installed using pip:
pip install -r requirements_dev.txt（或者，在没有测试和开发依赖关系的情况下，使用requirements.txt）。
并且，为开发而构建，运行测试：
pytest
平台：未知 分类器：开发状态：：2-pre-alpha 分类器：目标受众：：开发人员 分类器：自然语言：英语 分类器：编程语言：：python：：3.4
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