Week 4 Quiz

 

1.When creating an overview visualization of a large dataset, it is most important to:

 

2.The process of zooming on the data plotted in a visualization, where the zoomed region then fills the entire display:

 

3.The goal of the filtering step of the information visualization mantra is to:

 

4.Which of the following benefits of a fisheye lens is LEAST important for data visualization?

 

5.Suppose we have a dataset representing an image consisting of pixel records of the form (x,y,b) where x and y are the spatial coordinates of the pixel and b is the brightness of the pixel. Then, which of the following provides the best histogram of the data?

 

6.Suppose we have a dataset representing an image consisting of pixel records of the form (x,y,b) where x and y are the spatial coordinates of the pixel and b is the brightness of the pixel. Then, which of the following represents a “rollup” of the x and y dimensions of this dataset?

 

7.Suppose we have a dataset representing an image consisting of pixel records of the form (x,y,b) where x and y are the spatial coordinates of the pixel and b is the brightness of the pixel. Which axis definition would we NOT use if we wanted to plot the pixel brightness at a unique axis location for every pixel in the image?

 

8.When designing a dashboard visualization, what should the primary concern be?