Data analysis methods in optometry Part 3: the analysis of frequencies and proportions

Richard A. Armstrong; Frank Eperjesi

Data analysis methods in optometry Part 3: the analysis of frequencies and proportions

Richard A. Armstrong, Frank Eperjesi

Research output: Contribution to specialist publication or newspaper › Article

Abstract

In some studies, the data are not measurements but comprise counts or frequencies of particular events. In such cases, an investigator may be interested in whether one specific event happens more frequently than another or whether an event occurs with a frequency predicted by a scientific model.

Original language	English
Pages	34-37
Number of pages	4
Volume	2001
No.	May
Specialist publication	Optometry Today
Publication status	Published - 13 May 2002

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title = "Data analysis methods in optometry Part 3: the analysis of frequencies and proportions",

abstract = "In some studies, the data are not measurements but comprise counts or frequencies of particular events. In such cases, an investigator may be interested in whether one specific event happens more frequently than another or whether an event occurs with a frequency predicted by a scientific model.",

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AU - Eperjesi, Frank

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N2 - In some studies, the data are not measurements but comprise counts or frequencies of particular events. In such cases, an investigator may be interested in whether one specific event happens more frequently than another or whether an event occurs with a frequency predicted by a scientific model.

AB - In some studies, the data are not measurements but comprise counts or frequencies of particular events. In such cases, an investigator may be interested in whether one specific event happens more frequently than another or whether an event occurs with a frequency predicted by a scientific model.

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SN - 0268-5485

VL - 2001

SP - 34

EP - 37

JO - Optometry Today

JF - Optometry Today

ER -

Data analysis methods in optometry Part 3: the analysis of frequencies and proportions

Abstract

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