Vertigo could be either from a peripheral (labyrinth and vestibular nerve) or a central disorder (central nervous system). Central vertigo is usually a result of an abnormal processing of the vestibular sensory input by the central nervous system. See the image below.
scatterhist(x,y) creates a 2-D scatter plot of the data in vectors x and y, and displays the marginal distributions of x and y as univariate histograms on the horizontal and vertical axes of the scatter plot, respectively. example.
Definition of Scatter Plot. A scatter plot is a graph made by plotting ordered pairs in a coordinate plane to show the correlation between two sets of data. A scatter plot describes a positive trend if, as one set of values increases, the other set tends to increase.