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.
A histogram is a representation of a frequency distribution by means of rectangles whose widths represent class intervals and whose areas are proportional to the corresponding frequencies..Online Webster's Dictionary. Sounds complicated. . . but the concept really is pretty simple.o get an idea, look at these three histograms: This plot represents data with a well-defined peak that is close in value to the median and the mean. While there are outlyers, they are of relatively low frequency.