BookDOI
Modern Applied Statistics with S
W. N. Venables,Brian D. Ripley +1 more
- Iss: 1
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A guide to using S environments to perform statistical analyses providing both an introduction to the use of S and a course in modern statistical methods.Abstract:
A guide to using S environments to perform statistical analyses providing both an introduction to the use of S and a course in modern statistical methods The emphasis is on presenting practical problems and full analyses of real data setsread more
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Journal ArticleDOI
SoilGrids250m: Global gridded soil information based on machine learning
Tomislav Hengl,Jorge Mendes de Jesus,Gerard B. M. Heuvelink,Maria Ruiperez Gonzalez,Milan Kilibarda,Aleksandar Blagotić,Wei Shangguan,Marvin N. Wright,Xiaoyuan Geng,Bernhard Bauer-Marschallinger,Mario Guevara,Rodrigo Vargas,R. A. MacMillan,Niels H. Batjes,Johan G. B. Leenaars,Eloi Ribeiro,Ichsani Wheeler,Stephan Mantel,Bas Kempen +18 more
TL;DR: Improvements in the relative accuracy considering the amount of variation explained, in comparison to the previous version of SoilGrids at 1 km spatial resolution, range from 60 to 230%.
Journal ArticleDOI
Multiple imputation of discrete and continuous data by fully conditional specification
TL;DR: FCS is a semi-parametric and flexible alternative that specifies the multivariate model by a series of conditional models, one for each incomplete variable, but its statistical properties are difficult to establish.
Journal ArticleDOI
Repeatability for Gaussian and non-Gaussian data: a practical guide for biologists.
TL;DR: Two types of repeatability (ordinary repeatability and extrapolated repeatability) are compared in relation to narrow‐sense heritability and two methods for calculating standard errors, confidence intervals and statistical significance are addressed.
Journal ArticleDOI
Text as Data: The Promise and Pitfalls of Automatic Content Analysis Methods for Political Texts
TL;DR: A survey of automated text analysis for political science can be found in this article, where the authors provide guidance on how to validate the output of the models and clarify misconceptions and errors in the literature.
Journal ArticleDOI
International variation in the prevalence of COPD (The BOLD Study): a population-based prevalence study
A. Sonia Buist,Mary Ann McBurnie,William M. Vollmer,Suzanne Gillespie,Peter Burney,David M. Mannino,Ana Maria Menezes,Sean D. Sullivan,Todd A. Lee,Kevin B. Weiss,Robert L. Jensen,Guy B. Marks,Amund Gulsvik,Ewa Nizankowska-Mogilnicka +13 more
TL;DR: This worldwide study showed higher levels and more advanced staging of spirometrically confirmed COPD than have typically been reported and variations in disease prevalence-other factors also seem to be important.