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Author: N. I. Fisher
Publisher: Cambridge University Press
ISBN: 9780521568906
Category : Mathematics
Languages : en
Pages : 300
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Book Description
A unified, up-to-date account of circular data-handling techniques, useful throughout science.
Author: N. I. Fisher
Publisher: Cambridge University Press
ISBN: 9780521568906
Category : Mathematics
Languages : en
Pages : 300
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Book Description
A unified, up-to-date account of circular data-handling techniques, useful throughout science.
Author: United States. Office of Education. Statistical Division
Publisher:
ISBN:
Category : Education
Languages : en
Pages : 128
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Book Description
Author: Arthur Pewsey
Publisher: OUP Oxford
ISBN: 0191650765
Category : Mathematics
Languages : en
Pages : 198
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Book Description
Circular Statistics in R provides the most comprehensive guide to the analysis of circular data in over a decade. Circular data arise in many scientific contexts whether it be angular directions such as: observed compass directions of departure of radio-collared migratory birds from a release point; bond angles measured in different molecules; wind directions at different times of year at a wind farm; direction of stress-fractures in concrete bridge supports; longitudes of earthquake epicentres or seasonal and daily activity patterns, for example: data on the times of day at which animals are caught in a camera trap, or in 911 calls in New York, or in internet traffic; variation throughout the year in measles incidence, global energy requirements, TV viewing figures or injuries to athletes. The natural way of representing such data graphically is as points located around the circumference of a circle, hence their name. Importantly, circular variables are periodic in nature and the origin, or zero point, such as the beginning of a new year, is defined arbitrarily rather than necessarily emerging naturally from the system. This book will be of value both to those new to circular data analysis as well as those more familiar with the field. For beginners, the authors start by considering the fundamental graphical and numerical summaries used to represent circular data before introducing distributions that might be used to model them. They go on to discuss basic forms of inference such as point and interval estimation, as well as formal significance tests for hypotheses that will often be of scientific interest. When discussing model fitting, the authors advocate reduced reliance on the classical von Mises distribution; showcasing distributions that are capable of modelling features such as asymmetry and varying levels of kurtosis that are often exhibited by circular data. The use of likelihood-based and computer-intensive approaches to inference and modelling are stressed throughout the book. The R programming language is used to implement the methodology, particularly its "circular" package. Also provided are over 150 new functions for techniques not already covered within R. This concise but authoritative guide is accessible to the diverse range of scientists who have circular data to analyse and want to do so as easily and as effectively as possible.
Author: Arthur Pewsey
Publisher:
ISBN: 0199671133
Category : Computers
Languages : en
Pages : 198
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Book Description
Measurements like mass, length and speed are "linear"; but compass direction or the time of the year are "circular". Circular data have a repeating nature and an arbitrary zero: 12 months after the 1st of July it is the 1st of July again. This book explains how to easily and effectively analyse circular data statistically.
Author:
Publisher:
ISBN:
Category : Education
Languages : en
Pages : 128
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Book Description
Author: S. Rao Jammalamadaka
Publisher: World Scientific
ISBN: 9789812779267
Category : Mathematics
Languages : en
Pages : 348
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Book Description
This research monograph on circular data analysis covers some recent advances in the field, besides providing a brief introduction to, and a review of, existing methods and models. The primary focus is on recent research into topics such as change-point problems, predictive distributions, circular correlation and regression, etc. An important feature of this work is the S-plus subroutines provided for analyzing actual data sets. Coupled with the discussion of new theoretical research, the book should benefit both the researcher and the practitioner. Contents: Circular Probability Distributions; Some Sampling Distributions; Estimation of Parameters; Tests for Mean Direction and Concentration; Tests for Uniformity; Nonparametric Testing Procedures; Circular Correlation and Regression; Predictive Inference for Directional Data; Outliers and Related Problems; Change-Point Problems; Miscellaneous Topics; Some Facts on Bessel Functions; How to Use the CircStats Package. Readership: Researchers and practitioners dealing with circular data.
Author: S Rao Jammalamadaka
Publisher: World Scientific
ISBN: 9814495247
Category : Mathematics
Languages : en
Pages : 336
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Book Description
This research monograph on circular data analysis covers some recent advances in the field, besides providing a brief introduction to, and a review of, existing methods and models. The primary focus is on recent research into topics such as change-point problems, predictive distributions, circular correlation and regression, etc. An important feature of this work is the S-plus subroutines provided for analyzing actual data sets. Coupled with the discussion of new theoretical research, the book should benefit both the researcher and the practitioner.
Author: United States. Office of Education. Statistical Division
Publisher:
ISBN:
Category :
Languages : en
Pages : 132
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Book Description
Author: United States. Bureau of Education
Publisher:
ISBN:
Category : Education
Languages : en
Pages : 134
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Book Description
Author: United States. Office of Education
Publisher:
ISBN:
Category : Education
Languages : en
Pages : 80
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Book Description
