'Effective sample size' diaporamas de présentation

Statistical Issues in Randomized Trials

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Randomized Controlled Trials in Health Services Research

681 views • 47 slides

Use HoneyStat!

431 views • 43 slides

MCMC: Particle Theory

MCMC: Particle Theory. By Marc Sobel. Particle Theory: Can we understand it?. The Dynamic Model Setup: Heavy Theory. Particle Filters: Lighter Theory. More familiar dynamic model setting: Even more familiar: (for unknown g,h). Particle Filter: Goal.

560 views • 42 slides

MCMC: Particle Theory

MCMC: Particle Theory. By Marc Sobel. Particle Theory: Can we understand it?. The Dynamic Model Setup: Heavy Theory. Particle Filters: Lighter Theory. More familiar dynamic model setting: Even more familiar: (for unknown g,h). Particle Filter: Goal.

433 views • 42 slides

Planning Sample Size for Randomized Evaluations

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Statistical Analysis Overview I Session 2

Statistical Analysis Overview I Session 2 . Peg Burchinal Frank Porter Graham Child Development Institute, University of North Carolina-Chapel Hill. Overview: Statistical analysis overview I-b. Nesting and intraclass correlation Hierarchical Linear Models 2 level models 3 level models.

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419 views • 24 slides

Summary statistics

Summary statistics. Using a single value to summarize some characteristic of a dataset. For example, the arithmetic mean (or average) is a summary statistic because it gives the average value of a dataset such as average blood pressure readings. 4.1 Indices of Central Tendency (or location).

390 views • 22 slides

Hui-Hua Lee, Mark Maunder, Alexandre Aires-da-Silva Kevin Piner, and...

Evaluation of a practical method to estimate the variance parameter of random effects for time varying selectivity . Hui-Hua Lee, Mark Maunder, Alexandre Aires-da-Silva Kevin Piner, and... . Purposes.

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Methodological Rigour in Survey Research

Methodological Rigour in Survey Research. A case study of the European Social Survey. Michael Breen. Issues in Survey Research. Questionnaire design Sampling strategy Fieldwork oversight Response rates Cross national research issues. European Social Survey (ESS).

381 views • 16 slides

Spatial autoregressive methods

Spatial autoregressive methods. Nr245 Austin Troy Based on Spatial Analysis by Fortin and Dale, Chapter 5. Autcorrelation types. None: independence Spatial independence, functional dependence True autocorrelation>> inherent autoregressive Functional autocorr>> induced autoregressive.

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Total Cost of ERP Systems Implementation in Danish, Slovak and Slovenian Companies

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gMapping Pieter Abbeel UC Berkeley EECS

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Autocorrelation of ABFM Measurements

Autocorrelation of ABFM Measurements. Francis J. Merceret NASA/YA-D 12 November 2002. Overview. Preliminary exploration only! 22 flights over 2000 and 2001 campaigns Electric field (GEmag) Radar (REAC) Cloud particle concentration (TotCon1DC) Sample sizes from 732 to 1600 per flight

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Cluster Sampling

Cluster Sampling. The basics. What are we trying to achieve in a survey?. A sample that is representative of the larger population. EPI Method. Samples groups of person rather than individuals 30 Clusters with 7 persons per cluster = 210 persons

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Fiona T.-Y. Francis 1,2 *, Karen Filbee-Dexter 1 , Robert E. Scheibling 1

S talked tunicates Boltenia ovifera form biogenic habitat in the rocky subtidal zone of Nova Scotia Online Resource Fig. S2. Fiona T.-Y. Francis 1,2 *, Karen Filbee-Dexter 1 , Robert E. Scheibling 1 1 Department of Biology, Dalhousie University, Halifax, Nova Scotia B3H 4J1, Canada

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