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Advanced Statistics for Health Research provides a rigorous geometric understanding of models used in the analysis of health data, including linear and non-linear regression models, and supervised machine learning models. Models drawn from the health literature include: ordinary least squares, two-stage least squares, probits, logits, Cox regressions, duration modeling, quantile regression and random forest regression. Causal inference techniques from the health literature are presented including randomization, matching and propensity score matching, differences-in-differences, instrumental variables, regression discontinuity, and fixed effects analysis. Codes for the respective statistical techniques presented are given for STATA, SAS and R.
Field Guide to the Sedges of the Pacific Northwest is an
illustrated guide to all 169 species, subspecies, and varieties in
the genus Carex that grow in the wild in Oregon and Washington.
Most of these species are found throughout the Pacific Northwest
and California. This updated second edition includes eight
additional species documented in the region since the guide was
first published, along with an improved identification key, updated
nomenclature and taxonomy, revised range maps, and improved
illustrations.
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