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Calc Std. Dev. and Other w Single Pass thru data

• To: mathgroup at smc.vnet.net
• Subject: [mg8796] Calc Std. Dev. and Other w Single Pass thru data
• From: jchioles at earthlink.net (J.Chioles)
• Date: Thu, 25 Sep 1997 12:26:31 -0400
• Organization: EarthLink Network, Inc.
• Sender: owner-wri-mathgroup at wolfram.com

Can anyone suggest an algorithm for calculating the following with a
single pass thru a very large data base:
	std. deviation
	std. error of the mean

The data is metric, that is, real values.
TIA
John
jchioles at earthlink.net