Shiny dashboard with data visualizations for the 90,000+ Cars Dataset
You can view a live demo here
This page features multiple segments:
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Year filtering and axis selection
Here you can select what will the axis of the bubble chart be representing (price, milage, mpg or engine size)
Below that, you will find a slider that can filter the visualized cars by the year of their production
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Bubble chart
It is a chart of all cars in the dataset (unless some were filtered away)
The size of the bubble corresponds to the amount of cars represented by that bubble and its position on the y and x axis corresponds to the statistic represented on that axis
Each bubble corresponds to the set of cars with the same manufacturer
After you click a bubble of a manufacturer, the bubble chart will become a bubble chart of models from the given manufacturers. Only cars from this manufacturer will be visualized on all the plots on this page
After you click a bubble of a model, the bubble chart will become a scatter plot for each individual car of that model. Only cars of this model will be visualized on all the plots on this page
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Pie charts
They show how the distribution of transmission type and fuel type looks like for the currently visualized cars
If you are in the lowest level view of the bubble chart, when you see each individual car, you can hover over a category on the pie chart and cars that have that trait will be highlighted
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Gauge
It shows how many cars are currently being visualized
For example in the below picture the gauge shows 14,893, because when we filter by cars from years 1989-2021 and click on the Volkswagen bubble we are left with 14,893 cars
The gauges position on the plot shows the fraction of cars displayed currently in comparison with the amount of cars in the whole dataset
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Table
This is a table with every single currently visualized car.
You can filter the cars using the search bar and sort by any feature
In the treemap the size of the rectangle corresponds to the amount of cars in a given category
First the cars are divided by the manufacturers then by the model
If you hover over a field, you will see the amount of cars in that field
You can click on a manufacturer to view details about their models
This is a line graph that shows the average value of a selected statistic for cars of a given manufacturer for a given year, where the years are on the x axis and the values on the y axis
You can choose the inspected statistic with a dropdown menu in the top left corner and the included manufacturers can be selected from the menu below it






