Page 220 - AI Ver 1.0 Class 9
P. 220

Data Visualisation Technique 5

          Name of the Representation                                Bubble Map
         Description                    It is a combination of a bubble chart, data visualization and a map. It is
                                        used to visualize location and proportion using circles over geographical
                                        regions with the area of the circle being proportional to its value in the
                                        dataset.
         How to draw?





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         Suitable for which type of data? It is good for comparing proportions over geographic regions without the
                                        issues caused by regional area size. For example, showing the earthquake
                                        prone areas in a country, geographical distribution of whales in the northern
                                        hemisphere, number of tigers in the national parks of India.


                 Visualise Data using Visualisation Tools


        We can use any of the previously discussed data visualisation tools. In this case, we are using Tableau Public. To
        use this software, we need to download it first from the following URL (Uniform Resource Locator):

        https://public.tableau.com/en-us/s/download
        Once the downloading is completed, install it on your computer. After installing the Tableau Public, perform the
        following steps:

        1.  Now, you need a large amount of data to visualise. You can take the data from any government portal. In this
           case, we are taking data from the public portal https://aishe.gov.in/aishe/home.

           The home page of the website appears.
        2.  Hover the mouse on the Directory of Institutions menu. A sub menu appears.

        3.  Click on the Universities option. The Directory of Institutions web page will appear.












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