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Re: st: Books on clustering

From   "Michael Blasnik" <>
To   <>
Subject   Re: st: Books on clustering
Date   Tue, 03 Oct 2006 16:48:37 -0400

No, they aren't the same. Cluster analysis is a statistical method (or methods) that seek to identify clusters in a dataset based on some measure of the distance between observations. In contrast, the analysis of clustered data (e.g., through the cluster() option in a Stata command) can arise a wide variety of problems and refers to known groupings in the data where often you are looking to adjust standard errors to account for the lack of independence in the observations within each group.

Michael Blasnik

----- Original Message ----- From: "Joe Trubisz" <>
To: <>
Sent: Tuesday, October 03, 2006 4:12 PM
Subject: Re: st: Books on clustering

OK...I plead ignorance here.
Isn't the 'analysis of clustered data' the same as 'cluster analysis'?

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