Visilance

Aiding Vigilance with Visualization

An interactive visualization of Crime and Safety Feelings in the Netherlands between 2012 and 2014.

Example Use Cases

This visualization allows you to compare the 43 different police districts of The Netherlands on any type of Registered Crime or Safety Feeling for the years 2012 to 2014.

Example

Locate the regions in the Netherlands with the highest amount of Violent and Sexual Offenses in 2012.

Instructions
  1. Go to the Visualization.
  2. In settings set year to 2012.
  3. Select Crime.
  4. Select Violent and Sexual Offenses.
  5. Read the variable description for more explanation.
  6. Study the map to detect the darker colored regions.
  7. Hover over region to inspect name and value.
  8. Click on region to select region.
  9. You could conclude that Violent and Sexual Offenses, in 2012, occurred mostly in the larger cities of the Netherlands.

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Perhaps you would want to know if certain feelings towards crime are negatively or positively correlated with actual registered crime.

Example

Inspect the relation between the total amount of registered crime and the general feeling of unsafety in 2014.

Instructions
  1. Go to the Visualization.
  2. Activate Variable Y by clicking on the radio button.
  3. Select Fear of Crime.
  4. Select General.
  5. Select Feels Unsafe Sometimes.
  6. Read the variable description for more explanation.
  7. Study the scatter plot and read the description.
  8. Hover over dot to inspect name and values.
  9. Hover over dot to see region highlighted on the map.
  10. You could conclude that there appears to be a positive correlation between Total Crime 2014 and Feels Unsafe Sometimes 2014.

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Suppose you are interested in a specific police district, you would want to compare the different types of crime within this district.

Example

You work for a police base team that is part of the police district Amsterdam Oost. You want to get an overview of the different types of crime that occur in your district.

Instructions
  1. Go to the Visualization.
  2. Study the map.
  3. Hover over the map to inspect region name.
  4. Click on map to zoom in.
  5. Click on the region Amsterdam Oost.
  6. Click on the button Full Report or scroll down the page.
  7. Study the Crime bar chart on the left and the corresponding legend on the right.
  8. Hover over the bars to inspect the value.
  9. You could conclude that Property Crimes occur most often but that they have been declining over the years 2012 to 2014 for the district Amsterdam Oost.

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The full rapport section contains a complete overview of all the variables for crime and fear of crime for a specific police district or the Dutch average.

Example

Suppose you are interested to see a specification of the Traffic Offenses in Amsterdam Oost over the years to see if your campaign to reduce Driving under the Influence actually had any effect.

Instructions
  1. Go to the Visualization.
  2. Study the map.
  3. Click on the region Amsterdam Oost.
  4. Click on the button Full Report or scroll down the page.
  5. Study the Crime bar chart on the left and the corresponding legend on the right.
  6. Hover over the bars to inspect the value of Traffic Offenses.
  7. You can detect that the total amount of Traffic Offenses has been declining.
  8. On the right side of the page, click on the legend Traffic Offenses.
  9. You can see that Driving under the Influence accounts for 31 % of Traffic Offenses in 2014.
  10. Click on the left arrow to change the year.
  11. You could conclude that over the years 2012-2014, the amount of Driving under Influence in Amsterdam Oost has been declining.

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Now that you have analysed a district of interest, you might want to compare this rapport with any other district.

Example

Suppose you want to compare the district Amsterdam Oost with the Dutch Average.

Instructions
  1. Go to the Visualization.
  2. Click on the button Full Report and scroll down to the bottom of the page.
  3. In the compare menu, select Amsterdam Oost by scrolling or typing.
  4. Analyse the Rapport.
  5. To compare any two districts: first select your initial district of interest on the map.

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Data Sources

This visualization makes use of data that has been made publicly available by the Centraal Bureau voor de Statistiek.

It contains data on total registered crime in the Netherlands between 2012 and 2014 and data on safety feelings for the same time period.

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