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Text Mining in Qualitative Research: Application of an Unsupervised Learning Method
Nina Janasik*,
Timo Honkela,
and
Henrik Bruun
* To whom correspondence should be addressed. E-mail: nina.janasik{at}tkk.fi.
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Abstract |
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The article provides an introduction to and a demonstration of the self-organizing map (SOM) method for organizational researchers interested in the use of qualitative data. The SOM is a versatile quantitative method very commonly used across many disciplines to analyze large data sets. The outcome of the SOM analysis is a map in which entities are positioned according to similarity. The authors argument is that text mining using the SOM is particularly effective in improving inference quality within qualitative research. SOM creates multiple well-grounded perspectives on the data and thus improves the quality of the concepts and categories used in the analysis.
First published on April 25, 2008, doi:10.1177/1094428108317202
Organizational Research Methods 2009;12:436.
A more recent version of this article appeared on July 1, 2009

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