Vilijandas Bagdonavièus, Julius Kruopis, Mikhail Nikulin

Nonparametric Tests for Censored Data (eBook, ePUB)

• Format: ePub

Produktbeschreibung

This book concerns testing hypotheses in non-parametric models. Generalizations of many non-parametric tests to the case of censored and truncated data are considered. Most of the test results are proved and real applications are illustrated using examples. Theories and exercises are provided. The incorrect use of many tests applying most statistical software is highlighted and discussed.

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Produktdetails

• Verlag: John Wiley & Sons
• Seitenzahl: 234
• Erscheinungstermin: 7. Februar 2013
• Englisch
• ISBN-13: 9781118602133
• Artikelnr.: 38251380

Autorenporträt

Vilijandas Bagdonavicius is Professor of Mathematics at the University of Vilnius in Lithuania. His main research areas are statistics, reliability and survival analysis. Julius Kruopis is Associate Professor of Mathematics at the University of Vilnius in Lithuania. His main research areas are statistics and quality control. Mikhail S. Nikulin is a member of the Institute of Mathematics in Bordeaux, France.

Inhaltsangabe

Preface xi
Terms and Notation xv
Chapter 1. Censored and Truncated Data 1
1.1. Right-censored data 2
1.2. Left truncation 12
1.3. Left truncation and right censoring 14
1.4. Nelson-Aalen and Kaplan-Meier estimators 15
1.5 Bibliographic notes 17
Chapter 2. Chi-squared Tests 19
2.1. Chi-squared test for composite hypothesis  19
2.2. Chi-squared test for exponential distributions 31
2.3. Chi-squared tests for shape-scale distribution families 36
2.4. Chi-squared tests for other families 51
2.5. Exercises 59
2.6. Answers 60
Chapter 3. Homogeneity Tests for Independent Populations 63
3.1 Data 64
3.2 Weighted logrank statistics 64
3.3. Logrank test statistics as weighted sums of differences between
observed and expected number of failures 66
3.4 Examples of weights 67
3.5. Weighted logrank statistics as modified score statistics 69
3.6. The first two moments of weighted logrank statistics 71
3.7. Asymptotic properties of weighted logrank statistics 73
3.8. Weighted logrank tests 80
3.9. Homogeneity testing when alternatives are crossings of survival
functions 85
3.10. Exercises 98
3.11. Answers 102
Chapter 4. Homogeneity Tests for Related Populations 105
4.1. Paired samples 106
> 2 samples 119
4.3. Homogeneity tests for related samples against crossing marginal
survival functions alternatives 122
4.4. Exercises 125
4.5 Answers 126
Chapter 5. Goodness-of-fit for Regression Models 127
5.1. Goodness-of-fit for the semi-parametric Cox model 127
5.2. Chi-squared goodness-of-fit tests for parametric AFT models 142
5.3. Chi-squared test for the exponential AFT model 153
5.4. Chi-squared tests for scale-shape AFT models 159
Bibliographic notes 172
5.6. Exercises 173
Answers 174
APPENDICES 177
Appendix A. 179
Appendix B. 191
Appendix C. 211
Bibliography 225
Index 231