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Moved from the main article as it doesn't belong here:
One consequence of a network effect is that the purchase of a good by one individual indirectly benefits others who own the good - for example by purchasing a telephone a person makes other people's telephones more useful. This type of side effect in a transaction is known as an externality in economics, and externalities arising from network effects are known as network externalities.
I think some of the information here could be merged with summary statistics, although I'm not sure how best to go about it. Wmahan. 03:21, 2004 Aug 28 (UTC)
Under the Descriptive Statistics part of the Statistics bar at the bottom of the page, there are Continuous and Catagorical, but these do not exhaustively describe all the types of data, which include count data, also known as Ordinal data.
Briancady413 (talk) 19:15, 8 December 2009 (UTC)[reply]
