> For the complete documentation index, see [llms.txt](https://horus-make-sense.gitbook.io/documentation/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://horus-make-sense.gitbook.io/documentation/systems/citymapper/data-processing.md).

# Data Processing

After the data has been recorded, you may require a few steps prior to being able to use it.\
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This involves: improving the accuracy of the positions in POSPac, updating the recordings with the corrected positions, and perhaps blurring and/or exporting to a different data format.