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Research papers

Discriminant analysis

Discriminant Analysis Models are very similar to regression models, but differ in one important respect. In Discriminant Analysis the key variable of interest Y is now categorised (eg, Buyer = 1, Non-buyer = 0) rather than being continuous like...

Catalogue: ESOMAR Teach-In Seminar 1995: All You Ever Wanted To Know About Sampling, Statistics And Questionnaires
Author: Paul Harris
February 14, 1995
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Citation

Harris, P. (1995a, February 14). Discriminant analysis . ANA - ESOMAR. Retrieved April 27, 2024, from


https://ana.esomar.org/documents/discriminant-analysis-


Research papers

The problem of bias

This paper looks at the various sources of bias, discusses how to reduce them or, at least, how to measure them.

Catalogue: ESOMAR Teach-In Seminar 1995: All You Ever Wanted To Know About Sampling, Statistics And Questionnaires
Author: Neil Higgs
February 14, 1995
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Citation

Higgs, N. (1995a, February 14). The problem of bias . ANA - ESOMAR. Retrieved April 27, 2024, from


https://ana.esomar.org/documents/the-problem-of-bias-


Research papers

Theory and application of multivariate methods (interdependance)

Factor Analysis (like the similar technique of Principal Components Analysis) is a multivariate statistical method used primarily for data reduction. Itis usually employed to reduce the columns of our data matrix, that is the variables measured for...

Catalogue: ESOMAR Teach-In Seminar 1995: All You Ever Wanted To Know About Sampling, Statistics And Questionnaires
Author: Paul Harris
February 14, 1995
×

Citation

Harris, P. (1995a, February 14). Theory and application of multivariate methods (interdependance) . ANA - ESOMAR. Retrieved April 27, 2024, from


https://ana.esomar.org/documents/theory-and-application-of-multivariate-methods-interdependance-


Research papers

Finding and interpreting patterns of numerical data

The simplest form of analysing data is to form survey tabulations. This is done by counting the number (and percentage) of people that fall in to the predefined categories of our questionnaire. The basic tool for the survey analyst is the cross...

Catalogue: ESOMAR Teach-In Seminar 1995: All You Ever Wanted To Know About Sampling, Statistics And Questionnaires
Author: Paul Harris
February 14, 1995
×

Citation

Harris, P. (1995a, February 14). Finding and interpreting patterns of numerical data. ANA - ESOMAR. Retrieved April 27, 2024, from


https://ana.esomar.org/documents/finding-and-interpreting-patterns-of-numerical-data