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# Well-log dataset
This is the well-known well-log dataset used in many changepoint papers. This
version is obtained from [this Github
repository](https://raw.githubusercontent.com/alan-turing-institute/bocpdms/a4042b45004592f5b9fa912b346dd22a212b7ea0/Data/well.txt),
and licensed under the MIT license.
The dataset is sampled at every 6 observations to reduce the length of the
series. To obtain the json dataset from the original file, simply run:
```
$ python convert.py well_log.txt well_log.json
```
[Here](https://web.archive.org/web/20191128143944/https://raw.githubusercontent.com/alan-turing-institute/bocpdms/a4042b45004592f5b9fa912b346dd22a212b7ea0/Data/well.txt)
is an archive.org url for the dataset.
When using this series, please cite the original source:
```bib
@book{oruanaidh1996numerical,
title={Numerical {Bayesian} Methods Applied to Signal Processing},
author={{\'O Ruanaidh}, J. J. K. and Fitzgerald, W. J.},
year={1996},
publisher={Springer}
}
```
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