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[2021] Auckland - STATS 787 Data Visualisation - Final Exam - Q8 SVG Code

[2021] Auckland - STATS 787 Data Visualisation - Final Exam - Q8 SVG Code

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8. [10 marks]
            CourseNana.COM
        (a) [5 marks]
            CourseNana.COM
        This question relates to the following SVG code.
            CourseNana.COM
        

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        <?xml version="1.0" encoding="UTF-8"?>
<svg xmlns="http://www.w3.org/2000/svg" version="1.1"
width="310" height="310">
<line x1="100" x2="200" y1="300" y2="300"
stroke="black" stroke-width="1"/>
<line x1="100" x2="100" y1="300" y2="102"
stroke="grey" stroke-width="1"/>
<line x1="200" x2="200" y1="300" y2="141"
stroke="grey" stroke-width="1"/>
<circle cx="100" cy="102" r="5" fill="#2297E6"/>
<circle cx="200" cy="141" r="5" fill="#DF536B"/>
<text x="100" y="90" font-size="12"
text-anchor="middle" fill="black">66</text>
<text x="200" y="130" font-size="12"
text-anchor="middle" fill="black">53</text>
</svg>


            CourseNana.COM
        This SVG code produces the image below.
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        Explain in detail the purpose of every line of the SVG code above, including the meaning of all elements and attributes.
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            CourseNana.COM
        (b) [5 marks]
            CourseNana.COM
        Write R code that uses the xml2 package to create an SVG file similar to the one in the previous question, but this image draws values for all 30 COVIDcases.
            CourseNana.COM
        The SVG code that your R code creates would look like the image below.
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            CourseNana.COM
        
            CourseNana.COM

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