Metadata-Version: 2.1
Name: easyvvuq
Version: 0.9
Summary: Library to facilitate simple Verification, Validation and Uncertainty Quantification of simulation codes
Home-page: https://readthedocs.org/projects/easyvvuq/
Author: CCS
License: UNKNOWN
Platform: UNKNOWN
Description-Content-Type: text/markdown
Requires-Dist: numpy
Requires-Dist: pandas
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# EasyVVUQ

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The aim of EasyVVUQ is to facilitate verification, validation and 
uncertainty quantification (VVUQ) for a wide variety of
simulations. While very convenient for simple cases, EasyVVUQ is particularly well suited in situations where the simulations are computationally expensive, 
heterogeneous computing resources are necessary, the sampling space is very large or book-keeping is prohibitively
complex. It coordinates execution using an efficient database, it is fault tolerant and all progress can be saved.

Here are some examples of questions EasyVVUQ can answer about your code:

 * Given the uncertainties in input parameters, what is the distribution of the output?
 * What percentage of the output variance each input parameter contributes?

It also lets you construct surrogate models that are cheaper to evaluate than the complete simulation.

Basic concepts are introduced [here](https://mybinder.org/v2/gh/UCL-CCS/EasyVVUQ/a6852d6c5ba36f15579e601d7a8d074505f31084?filepath=tutorials%2Fbasic_tutorial.ipynb) and [here](https://mybinder.org/v2/gh/UCL-CCS/EasyVVUQ/74d6a9f4b0eecc754918de2f3795395d35ac4875?filepath=tutorials%2Fvector_qoi_tutorial.ipynb).

Available analysis and sampling methods:

* Polynomial Chaos Expansion
* Stochastic Collocation
* Monte Carlo Sensitivity Analysis
* Markov-Chain Monte Carlo

EasyVVUQ also supports building surrogate models using:

* Polynomial Chaos Expansion
* Stochastic Collocation
* Gaussian Processes

Supported computing resources:

* Traditional clusters
* [Kubernetes clusters](https://mybinder.org/v2/gh/UCL-CCS/EasyVVUQ/a9195fa1423d731ed996c9a5e34bb1256c6a0d5b?filepath=tutorials%2Fkubernetes_tutorial.ipynb)

The easiest way to get started is to follow the tutorials in our
[Binder](https://mybinder.org/v2/gh/UCL-CCS/EasyVVUQ/dev?filepath=tutorials).

Development was funded by the EU Horizon 2020 project [VECMA](http://www.vecma.eu/).

## Requirements

To use the library you will need Python 3.6+.

## Installation using pip

If you are unsure of the version of python your default `pip` works for type:
```
pip --version
```

If the output ends with `(python 2.7)` you should replace `pip` with `pip3` in the following commands.

The following should fully install the library:
```
pip install easyvvuq
```

To upgrade the library use:

```
pip install easyvvuq --upgrade
```

## Manual installation from repository

Alternatively, you can manually install EasyVVUQ.
First clone the repository to your computer:
```
git clone https://github.com/UCL-CCS/EasyVVUQ.git
```

Note: As above, you need to be sure you are installing for Python 3 - if necessary replace `pip` with `pip3` and `python` with `python3` in the commands below.

We are trying to keep dependencies at a minimum but a few are inevitable, to install them use:
```
cd EasyVVUQ/

pip install -r requirements.txt
```

Then the library can be installed using:
```buildoutcfg
python setup.py install
```

## Getting Started

Documentation, including a basic tutorial, is avalable [here](https://easyvvuq.readthedocs.io/en/dev/).

## Citing EasyVVUQ

> Richardson, R A, Wright, D W, Edeling, W, Jancauskas, V, Lakhlili, J and Coveney, P V. 
2020 EasyVVUQ: A Library for Verification, Validation and Uncertainty Quantification in High Performance Computing. 
Journal of Open Research Software, 8: 11.
> [DOI: 10.5334/jors.303](https://doi.org/10.5334/jors.303).

> Wright, D.W., Richardson, R.A., Edeling, W., Lakhlili, J., Sinclair, R.C., Jancauskas, V., Suleimenova, D., Bosak, B., Kulczewski, M., Piontek, T., Kopta, P., Chirca, I., Arabnejad, H., Luk, O.O., Hoenen, O., Weglarz, J., Crommelin, D., Groen, D. and Coveney, P.V. (2020), Building Confidence in Simulation: Applications of EasyVVUQ. Adv. Theory Simul., 3: 1900246.
> [DOI: 10.1002/adts.201900246](https://doi.org/10.1002/adts.201900246).


