This link has been bookmarked by 4 people . It was first bookmarked on 14 Apr 2008, by Darren Draper.
"The term diversity is usually synonymous with "variety" and is simply an indication of the number of different thing present. For example, we often speak of a "diversity of opinions." While simply counting the number of different types of opinions on a subject can give a rough idea of the "diversity of opinions," the numbers of people holding the various opinions must be taken into account to get a true sense of the diversity. For example, a situation in which there are 99 people with one opinion and 1 person holding a different opinion is quite different from a situation in which 50 people have one opinion and the other 50 people have another, even though the number of opinions is 2 in both cases. Clearly the proportions of different categories of objects (e.g. opinions or species) play an important role in our intuitive notion of diversity as illustrated by the "diversity of opinions" example above.
To see how the diversity measure changes as the proportions of each category in the sample change, try entering the following data into the diversity applet below. Enter the data for pond 1 first and then clear the table and enter the data for pond 2. "
According to @jeffmason, this site can be used to calculate your Twitter network diversity index. See also http://tinyurl.com/4u4uaz .
Would you like to comment?
Join Diigo for a free account, or sign in if you are already a member.