Concept

The concept / theme for this data visualization is parking an electric car in the Netherlands.

Mindmap

First a call was started with the support group to create a mind map. The intention is to see new insights that can lead to a concept. In the mind map of my support group we looked at different perspectives for the theme 'Cars in the city', such as accessibility, environmental pollution, parking rates. This mind map is shown below:

Main question

First I came up with the idea to visualize the main question below:

What does the parking option for electric cars in public parking facilities in the Netherlands look like?

The problem with this main question is that it is a fairly complex main question. Based on the feedback I received from @razpudding, I decided to formulate my question slightly differently (You can read my feedback here). I also made my research question more interesting by involving accessibility. After this my main question changed to:

What about parking an electric car compared to parking as a disabled person in the Netherlands?

Later I received feedback on my concept, among other things from the client (You can read my feedback here). It emerged that it is difficult to compare parking as a disabled person with parking with an electric car. For this reason I have adapted my main question again. Therefore, my main question now is:

What about parking an electric car in the Netherlands?

Hypothesis / My assumption

I think every parking garage has at least 2 electric charging points.

Sub questions:

For the main question I came up with a number of sub questions:

1. What is the ratio of normal parking spaces and electric charging parking spaces in the Netherlands?
   My assumption is that there are still more normal parking spaces in the Netherlands than there are electric charging parking spaces. I think the ratio is 1/10.
2. Where are parking facilities for electric cars in the Netherlands?
   My assumption is that there are more parking facilities for electric cars in the larger cities such as Rotterdam and Amsterdam.
3. **

Required datasets & variables

To make a visualization, I will use the RDW datasets:

• SPECIFICATIES PARKEERGEBIED
• GEO Parkeer Garages

The variables I need:

• AreaId
• AreaDesc
• ChargingPointCapacity
• Location

Sketches of the visualization:

Before creating the visualization using the code, it is important to consider how I want to create my visualization. For this reason, various sketches have been made. I have shown these below: