Missing and Modified Data in Nonparametric Estimation

This book presents a systematic and unified approach for modern nonparametric treatment of missing and modified data via examples of density and hazard rate estimation, nonparametric regression, filtering signals, and time series analysis. All basic types of missing at random and not at random, biasing, truncation, censoring, and measurement errors are discussed, and their treatment is explained. Ten chapters of the book cover basic cases of direct data, biased data, nondestructive and destructive missing, survival data modified by truncation and censoring, missing survival data, stationary and nonstationary time series and processes, and ill-posed modifications.The coverage is suitable for self-study or a one-semester course for graduate students with a prerequisite of a standard course in introductory probability. Exercises of various levels of difficulty will be helpful for the instructor and self-study.The book is primarily about practically important small samples. It explains when consistent estimation is possible, and why in some cases missing data should be ignored and why others must be considered. If missing or data modification makes consistent estimation impossible, then the author explains what type of action is needed to restore the lost information.The book contains more than a hundred figures with simulated data that explain virtually every setting, claim, and development. The companion R software package allows the reader to verify, reproduce and modify every simulation and used estimators. This makes the material fully transparent and allows one to study it interactively.Sam Efromovich is the Endowed Professor of Mathematical Sciences and the Head of the Actuarial Program at the University of Texas at Dallas. He is well known for his work on the theory and application of nonparametric curve estimation and is the author of Nonparametric Curve Estimation: Methods, Theory, and Applications. Professor Sam Efromovich is a Fellow of the Institute of Mathematical Statistics and the American Statistical Association.

"Both researchers and practitioners would find this book useful, since currently missing data is a hot topic in statistics. The mathematical level of the book is definitely intermediate, a good amount of references is offered or is planned to be offered in notes, and an R-package will accompany the book. I can see a broad market of potential readers. It is quite typical for statistics departments to offer a graduate course on missing data at various depths. The proposed book allows an instructor to combine the discussion of missing data with presenting topics in density estimation, regression and time series analysis. The same argument applies to the survival analysis part. The proposed book treats both the missed and modified data simultaneously and via the same nonparametric methodology of series estimation, which makes it a convenient choice for a one semester graduate course that covers nonparametric estimation, missing data and survival analysis. Moreover, the proposed companion R-package would allow an instructor to show the power of this statistical software without going into R programming too deeply… Just a new good book on missing data in nonparametric estimation, or a new good book on nonparametric analysis of survival data, or a new good book on time series analysis with missing data would be of a great interest. And here we have a book that combines all these topics and it proposes a unique approach for solving all involved problems." ~Lyudmila Sakhanenko, Michigan State University"There is a high demand for a book devoted to nonparametric estimation based on missing and modified data. Furthermore, as it is written, the proposed book can easily be used as a text for an intermediate level graduate course in statistics. Its R-package allows to reproduce all the figures (and there are figures in all sections), and a large number of exercises will make its use in a class much more attractive for an instructor… The book is well wr

Sam Efromovich