'Measurement error' diaporamas de présentation

Epidemiology: An Overview

Epidemiology: An Overview. Ahmed Mandil, MBChB, DrPH Prof of Epidemiology High Institute of Public Health, University of Alexandria, Egypt. Headlines. Epidemiology Presentations What is epidemiology ? What sciences does it draw from ? How is it demarcated ? What are its uses ?

1.54k views • 54 slides

Edward J. Stanek III Department of Public Health University of Massachusetts Amherst, MA

Finite Population Inference for Latent Values Measured with Error that Partially Account for Identifable Subjects from a Bayesian Perspective. Edward J. Stanek III Department of Public Health University of Massachusetts Amherst, MA. Collaborators.

636 views • 48 slides

Mixed effects and Group Modeling for fMRI data

Mixed effects and Group Modeling for fMRI data. Thomas Nichols, Ph.D. Department of Statistics Warwick Manufacturing Group University of Warwick Zurich SPM Course February 17, 2011. Outline. Mixed effects motivation Evaluating mixed effects methods Two methods

691 views • 40 slides

Lecture 7

771 views • 39 slides

Meet the professor

615 views • 39 slides

Secondary Data Analysis: An Introduction

Secondary Data Analysis: An Introduction. Dr Juliet Hassard Deputy Director, Centre for Sustainable Working Life Lecturer in Occupational Health Psychology. What is secondary data analysis? Types and sources of data Opportunities, limitations, and challenges Ethics

724 views • 35 slides

Psychometrics

Psychometrics. William P. Wattles, Ph.D. Francis Marion University. Psychometrics. The quantitative and technical aspects of measurement. Quantitative. Quantitative: of or pertaining to the describing or measuring of quantity. Qualitative. Of, relating to, or concerning quality.

987 views • 34 slides

Grid models of population: temporal comparison by fixing the geography

Grid models of population: temporal comparison by fixing the geography . David Martin, School of Geography University of Southampton. Overview. Problems of comparison over time Merits of using gridded data Data sources Grid modelling principles Grid modelling resources

507 views • 30 slides

Multiple Indicator Growth Models aka, 2 nd Order Growth Daniel E Bontempo Scott M. Hofer

Multiple Indicator Growth Models aka, 2 nd Order Growth Daniel E Bontempo Scott M. Hofer. Acknowledgements. Funded in part by Grant R13AG030995-01A1 from the National Institute on Aging

1.92k views • 27 slides

The Returns to Education

The Returns to Education. Background. Acquiring education is an investment in the sense that one givers up something now (you could be working in McDonalds and not paying fees) in the hope of getting more back in the future.

612 views • 25 slides

Introduction to the GUM ( International Guidelines for calculating and expressing uncertainty in measurement)

Introduction to the GUM ( International Guidelines for calculating and expressing uncertainty in measurement). Prepared by Les Kirkup and Bob Frenkel. Measurement.

438 views • 24 slides

Chapter 2 Introductory Information and Basic Terms: Basic Paradigm

Population. Sample. Inference. Statistics. Parameters. Chapter 2 Introductory Information and Basic Terms: Basic Paradigm. Chapter 2 Introductory Information and Basic Terms. BASIC TERMS WE WILL DEFINE Element (or Observation Unit) Population Sampling Unit Frame Sample.

583 views • 22 slides

Self-Administered Surveys: Mail Survey Methods

487 views • 16 slides

Sean Canavan David Hann Oregon State University

404 views • 16 slides

Chapter 13

Chapter 13. Empirical Evidence on Security Returns. Overview of Investigation. Tests of the single factor CAPM or APT Model Tests of the Multifactor APT Model Results are difficult to interpret Studies on volatility of returns over time . Tests of the Single Factor Model.

461 views • 14 slides

Measurements

Measurements. Chapter Four. Measurement accuracy and precision. Accuracy and precision. Measurements are said to be accurate if their tendency is to center around the actual value of the entity being measured. Measurements are precise if they differ from one another by a small amount.

383 views • 14 slides

Gage Repeatability and Reproducibility (R&R) Studies

Gage Repeatability and Reproducibility (R&R) Studies. An Introduction to Measurement System Analysis (MSA). Agenda. Importance of data What is MSA? Measurement Error Sources of Variation Precision (Resolution, Repeatability, Reproducibility) Accuracy (Bias, Stability, Linearity)

804 views • 13 slides

Global versus Specific Questions for the Consumer Expenditure Survey

Global versus Specific Questions for the Consumer Expenditure Survey. Andy Peytchev Consumer Expenditure Surveys Redesign Workshop December 8-9, 2010. Current Specific Questions - Clothing.

375 views • 11 slides

Divergence, Big Time

Divergence, Big Time. Lant Pritchett Journal of Economic Perspectives Summer 1997. Main Idea. The predictions of the Solow model are not supported by data. Countries have experienced vastly different rates of economic progress since the 1870s. Convergence does not seem to be happening.

509 views • 10 slides

Lecture 14 chi-square test, P-value

Lecture 14 chi-square test, P-value. Measurement error (review from lecture 13) Null hypothesis; alternative hypothesis Evidence against null hypothesis Measuring the Strength of evidence by P-value Pre-setting significance level Conclusion Confidence interval.

513 views • 7 slides