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👮 Crime stats of The Hague and nearby cities, scraped from a police website
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Compiled by neufv (@neufv_txt)


In this README:

1. About this dataset
2. Content and structure
3. Delict codes explanation


Dutch police in The Hague (whose jurisdiction extends to
several nearby cities) run a website where residents can
check local crime stats. The numbers are very local: they
are grouped per neighborhood, which in many cases is not
bigger than just a few streets.

However, the website only lets you view one month at a time
and always filters on one specific type of crime. (Lame)

That's why I decided to scrape the raw data. In the folder
"data", you'll find the complete dataset that the police
website uses. This includes crime counts, but also the
geographical boundaries for each neighborhood.

If you want to scrape a fresh copy yourself, the scripts I
wrote to compile the dataset are also included.


- SQLite
    In `data/delicts.db` you'll find the complete dataset
    as a sqlite database. This is probably the easiest to
    work with if you want to do some pattern analysis.

    The dataset is also available as JSON. There's a folder
    for each year of data, which contains a file for each
    district. These, in turn, group delict counts per
    neighborhood, per month, per delict code. Basically,
    the structure is like this:

    > Year
      > District
        > Delict code
          > Month
            > Neighborhood

- Boundaries
    The file `data/areas.txt` contains the name and
    geographical boundaries of each district code. (The
    same code used for the JSON filenames.) They are in a
    custom format that uses commas and pipe characters to
    separate values.

- Scripts
    If you want to compile the dataset yourself, the scripts
    I wrote to scrape and organize the data are also included.
    Just run `python`.


The dataset uses delict codes to distinguish crime types.
Their names can be found by inspecting the web form and
are listed below:

[100]   Theft while on scooter
[101]   Theft from bike
[102]   Street robbery
[104]   Burglary (both attempted and successful)
[105]   Theft while on or in motorized vehicle
[106]   Motor vehicle theft
[107]   Shoplifting
[108]   Pickpocketing
[109]   Violent threat
[110]   Abuse
[111]   Vandalism
[117]   Robbery
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