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pro vyhledávání: '"Zvi Gilula"'
Publikováno v:
Quantitative Marketing and Economics. 17:325-357
This paper considers the methodological challenge of how to convert categorical attitudinal scores (like satisfaction) measured on one scale to a categorical attitudinal score measured on another scale with a different range. This is becoming a growi
Publikováno v:
Quantitative Marketing and Economics. 10:283-304
The need for scale conversion may arise whenever an attitude of individuals is measured by independent entrepreneurs each using an ordinal scale of its own with possibly different numbers of (arbitrary) ordinal categories. Such situations are quite c
Publikováno v:
Journal of the American Academy of Dermatology. 74(2)
Publikováno v:
Journal of Marketing Research. 43:73-83
The generic data fusion problem is to make inferences about the joint distribution of two sets of variables without any direct observations of the joint distribution. Instead, information is available only for each set separately along with some othe
Autor:
Zvi Gilula, Shelby J. Haberman
Publikováno v:
Encyclopedia of Biostatistics
A chi-square statistic suitable for testing a primary hypothesis can be partitioned into components such that each component gives a test for a corresponding secondary hypothesis. Some partitionings are exact and some are approximate. The theory is b
Publikováno v:
Journal of the American Statistical Association. 96:20-31
Questions that use a discrete ratings scale are commonplace in survey research. Examples in marketing include customer satisfaction measurement and purchase intention. Survey research practitioners have long commented that respondents vary in their u
Autor:
Shelby J. Haberman, Zvi Gilula
Publikováno v:
Sociological Methodology. 31:129-187
A categorical profile is a vector of observed values of several categorical variables that share a common context. Statistical analysis of categorical profiles may involve study of the joint distribution of the profiles or study of the relationship o
Autor:
Zvi Gilula, Shelby J. Haberman
Publikováno v:
Scandinavian Journal of Statistics. 27:521-534
In the case of exponential families, it is a straightforward matter to approximate a density function by use of summary statistics; however, an appropriate approach to such approximation is far less clear when an exponential family is not assumed. In
Publikováno v:
Cardiovascular Drugs and Therapy. 14:503-509
Myocardial ischemia during daily life can be induced by increased demand and by increased coronary tone. The purpose of this study was to assess the mechanism of action of mibefradil, a new T-channel calcium blocker that is a vasodilator with negativ
5. An Extended Study into the Relationship between Correspondence Analysis and Latent Class Analysis
Publikováno v:
Sociological Methodology. 29:147-186
Researchers dealing with frequency data today can choose from a vast range of methods, descriptive and inferential. Two such well-known and useful methods are correspondence analysis and latent class analysis. Although these two methods were initiall