Basic Statistics and Epidemiology
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Basic Statistics and Epidemiology: A Practical Guide, Fourth Edition
By Antony StewartCorrelation is often calculated using the Pearson's product moment correlation coefficient (commonly known as Pearson's ρ), the formula for which is: r=Σ(x−x ̄)(y−y ̄)Σ(x−x ̄)2Σ(y−y ̄)2 where: x = individual exposure x = mean ...
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Basic Statistics and Epidemiology: A Practical Guide
By Antony StewartA guide in basic statistics emphasises its practical use in epidemiology and public health, providing understanding of topics such as study design, data analysis and statistical methods used in the execution of medical research.
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Basic Statistics and Epidemiology: A Practical Guide, Fourth Edition
By Antony StewartSample size and power calculations should always be performed in the planning stage of a study, where they are referred to as a priori calculations (before data are collected). If calculations are done later on, they are called post- ...
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Basic Statistics and Epidemiology: A Practical Guide
By Antony StewartReading this book will help students, researchers, doctors, nurses, and health managers to understand and apply the tools of statistics and epidemiology to their own practice.
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Basic Statistics and Epidemiology: A Practical Guide
By Antony StewartThis new edition is substantially revised and includes entirely new material on statistical power and sample size. Clearly worded and assuming no prior knowledge, it gives full step-by-step guidance on performing statistical calculations.