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Visualisation – Q3 - COMP7016

Tutorial 5

Tutorial Exercises:

1.   Use a chart technique and/or a tool to visualise the two dimensional data set, called Tutorial5Ex1.csv. Provide description and findings from your analysis based on the visualisation.

2.   What is the problem with the following chart? Explain and how to fix the problem.

3.   Use TabuVis tool or another software tool (e.g. Tableau) to produce a Scatter Plot with visual mappings of the data set Tutorial5Ex3.csv. What property or insight do you find from the visualisation?

4.   Use the same data set in question 4 (i.e. Tutorial5Ex3.csv) to produce a Multiple Scatter Plots using TabuVis tool. Then, you are required to provide a short description on the finding and property of the data from the visualisation, as well as the pros and cons of the visualisation.

5.   Use a provided tool (or available tool(s) on the Internet or your own development) to produce a Scatter Plot Matrices visualisation of the following multi-dimensional data set, called Tutorial5Ex5.csv. What property or insight do you find from the visualisation?

6.   When we have a large data set with many dimensions, list possible methods that we could use to reduce the complexity of a large data set?