Statistical Analysis Of Circular Data
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Author |
: N. I. Fisher |
Publisher |
: Cambridge University Press |
Total Pages |
: 300 |
Release |
: 1995-10-12 |
ISBN-10 |
: 0521568900 |
ISBN-13 |
: 9780521568906 |
Rating |
: 4/5 (00 Downloads) |
Synopsis Statistical Analysis of Circular Data by : N. I. Fisher
A unified, up-to-date account of circular data-handling techniques, useful throughout science.
Author |
: Arthur Pewsey |
Publisher |
: OUP Oxford |
Total Pages |
: 198 |
Release |
: 2013-09-26 |
ISBN-10 |
: 9780191650765 |
ISBN-13 |
: 0191650765 |
Rating |
: 4/5 (65 Downloads) |
Synopsis Circular Statistics in R by : Arthur Pewsey
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 |
: S. Rao Jammalamadaka |
Publisher |
: World Scientific |
Total Pages |
: 336 |
Release |
: 2001 |
ISBN-10 |
: 9789810237783 |
ISBN-13 |
: 9810237782 |
Rating |
: 4/5 (83 Downloads) |
Synopsis Topics in Circular Statistics by : S. Rao Jammalamadaka
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 |
: Arthur Pewsey |
Publisher |
: |
Total Pages |
: 198 |
Release |
: 2013-09-26 |
ISBN-10 |
: 9780199671137 |
ISBN-13 |
: 0199671133 |
Rating |
: 4/5 (37 Downloads) |
Synopsis Circular Statistics in R by : Arthur Pewsey
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 |
: Kanti V. Mardia |
Publisher |
: John Wiley & Sons |
Total Pages |
: 472 |
Release |
: 2000 |
ISBN-10 |
: UOM:39015053172394 |
ISBN-13 |
: |
Rating |
: 4/5 (94 Downloads) |
Synopsis Directional Statistics by : Kanti V. Mardia
Observations which are directions, axes or rotations occur in many sciences, including astronomy, biology, earth sciences, image analysis, and medicine. To analyse such data it is necessary to use the techniques of directional statistics, in which the special structure of circles, spheres and rotation groups is taken into account. This book gives a unified and comprehensive account of directional statistics, presenting both the underlying statistical theory and the practical methodology. The book is divided into three parts. The first part concentrates on statistics on the circle. Topics covered include tests of uniformity, tests of goodness-of-fit, inference on von Mises distributions and non-parametric methods. The second part considers statistics on spheres of arbitrary dimension, and includes a detailed account of inference on the main distributions on spheres. Recent material on correlation, regression, time series, robust techniques, bootstrap methods, density estimation and curve fitting is presented. The third part considers statistics on more general sample spaces, in particular rotation groups, Stiefel manifolds, Grassmann manifolds and complex projective spaces. Shape analysis is considered from the perspective of directional statistics. This text will be invaluable not only to researchers in probability and statistics interested in the latest developments in directional statistics, but also to practitioners and researchers in many scientific fields, including astronomy, biology, computer vision, earth sciences and image analysis.
Author |
: Irene L. Hudson |
Publisher |
: Springer Science & Business Media |
Total Pages |
: 525 |
Release |
: 2009-11-24 |
ISBN-10 |
: 9789048133352 |
ISBN-13 |
: 9048133351 |
Rating |
: 4/5 (52 Downloads) |
Synopsis Phenological Research by : Irene L. Hudson
As climate change continues to dominate the international environmental agenda, phenology – the study of the timing of recurring biological events – has received increasing research attention, leading to an emerging consensus that phenology can be viewed as an ‘early warning system’ for climate change impact. A multidisciplinary science involving many branches of ecology, geography and remote sensing, phenology to date has lacked a coherent methodological text. This new synthesis, including contributions from many of the world’s leading phenologists, therefore fills a critical gap in the current biological literature. Providing critiques of current methods, as well as detailing novel and emerging methodologies, the book, with its extensive suite of references, provides readers with an understanding of both the theoretical basis and the potential applications required to adopt and adapt new analytical and design methods. An invaluable source book for researchers and students in ecology and climate change science, the book also provides a useful reference for practitioners in a range of sectors, including human health, fisheries, forestry, agriculture and natural resource management.
Author |
: S. Rao Jammalamadaka |
Publisher |
: World Scientific |
Total Pages |
: 348 |
Release |
: 2001 |
ISBN-10 |
: 9812779264 |
ISBN-13 |
: 9789812779267 |
Rating |
: 4/5 (64 Downloads) |
Synopsis Topics in Circular Statistics by : S. Rao Jammalamadaka
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 |
: Nikolai Chernov |
Publisher |
: CRC Press |
Total Pages |
: 285 |
Release |
: 2010-06-22 |
ISBN-10 |
: 9781439835913 |
ISBN-13 |
: 1439835918 |
Rating |
: 4/5 (13 Downloads) |
Synopsis Circular and Linear Regression by : Nikolai Chernov
Find the right algorithm for your image processing applicationExploring the recent achievements that have occurred since the mid-1990s, Circular and Linear Regression: Fitting Circles and Lines by Least Squares explains how to use modern algorithms to fit geometric contours (circles and circular arcs) to observed data in image processing and comput
Author |
: Chris Brunsdon |
Publisher |
: SAGE |
Total Pages |
: 612 |
Release |
: 2015-01-22 |
ISBN-10 |
: 9781473906303 |
ISBN-13 |
: 147390630X |
Rating |
: 4/5 (03 Downloads) |
Synopsis Geocomputation by : Chris Brunsdon
Geocomputation is the use of software and computing power to solve complex spatial problems. It is gaining increasing importance in the era of the ‘big data’ revolution, of ‘smart cities’, of crowdsourced data, and of associated applications for viewing and managing data geographically - like Google Maps. This student focused book: Provides a selection of practical examples of geocomputational techniques and ‘hot topics’ written by world leading practitioners. Integrates supporting materials in each chapter, such as code and data, enabling readers to work through the examples themselves. Chapters provide highly applied and practical discussions of: Visualisation and exploratory spatial data analysis Space time modelling Spatial algorithms Spatial regression and statistics Enabling interactions through the use of neogeography All chapters are uniform in design and each includes an introduction, case studies, conclusions - drawing together the generalities of the introduction and specific findings from the case study application – and guidance for further reading. This accessible text has been specifically designed for those readers who are new to Geocomputation as an area of research, showing how complex real-world problems can be solved through the integration of technology, data, and geocomputational methods. This is the applied primer for Geocomputation in the social sciences.
Author |
: K. V. Mardia |
Publisher |
: Academic Press |
Total Pages |
: 380 |
Release |
: 2014-07-03 |
ISBN-10 |
: 9781483218663 |
ISBN-13 |
: 148321866X |
Rating |
: 4/5 (63 Downloads) |
Synopsis Statistics of Directional Data by : K. V. Mardia
Probability and Mathematical Statistics: A Series of Monographs and Textbooks: Statistics of Directional Data aims to provide a systematic account of statistical theory and methodology for observations which are directions. The publication first elaborates on angular data and frequency distributions, descriptive measures, and basic concepts and theoretical models. Discussions focus on moments and measures of location and dispersion, distribution function, corrections for grouping, calculation of the mean direction and the circular variance, interrelations between different units of angular measurement, and diagrammatical representation. The book then examines fundamental theorems and distribution theory, point estimation, and tests for samples from von Mises populations. The text takes a look at non-parametric tests, distributions on spheres, and inference problems on the sphere. Topics include tests for axial data, point estimation, distribution theory, moments and limiting distributions, and tests of goodness of fit and tests of uniformity. The publication is a dependable reference for researchers interested in probability and mathematical statistics.