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Case Study: Comparing Rangeland Vegetation Sampling Techniques

Thomas J. Stohlgren

in Measuring Plant Diversity: Lessons from the Field

Published in print:
2006
Published Online:
September 2007
ISBN:
9780195172331
eISBN:
9780199790395
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780195172331.003.0007
Subject:
Biology, Plant Sciences and Forestry

As what was learned from Chapter 6, studies that compare older sampling techniques to newer ones sometimes are necessary to advance the science of plant ecology. This chapter presents another ... More


Case Study: Evaluating the Effects of Grazing and Soil Characteristics on Plant Diversity

Thomas J. Stohlgren

in Measuring Plant Diversity: Lessons from the Field

Published in print:
2006
Published Online:
September 2007
ISBN:
9780195172331
eISBN:
9780199790395
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780195172331.003.0011
Subject:
Biology, Plant Sciences and Forestry

Paired-plot designs are commonly used to compare the effects of fire, grazing, or other disturbances. Plots are placed in treated (or disturbed) and untreated (or control) sites, and measured ... More


Spatial Analysis and Modeling

Thomas J. Stohlgren

in Measuring Plant Diversity: Lessons from the Field

Published in print:
2006
Published Online:
September 2007
ISBN:
9780195172331
eISBN:
9780199790395
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780195172331.003.0014
Subject:
Biology, Plant Sciences and Forestry

Data on plant diversity are inherently spatial. There are various spatial techniques available to map and model plant diversity, or the distributions of selected species at landscape scales. This ... More


Transport and Introduction

Tim M. Blackburn, Julie L. Lockwood, and Phillip Cassey

in Avian Invasions: The Ecology and Evolution of Exotic Birds

Published in print:
2009
Published Online:
September 2009
ISBN:
9780199232543
eISBN:
9780191715983
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199232543.003.0002
Subject:
Biology, Ornithology, Biodiversity / Conservation Biology

This chapter considers the first two steps on the invasion pathway: transport and introduction. It starts by summarizing why what we know about the history of avian invasions leads us to expect ... More


Multilevel Analysis of Time-to-Event Data

Guo Shenyang

in Survival Analysis

Published in print:
2009
Published Online:
January 2010
ISBN:
9780195337518
eISBN:
9780199864256
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780195337518.003.0006
Subject:
Social Work, Research and Evaluation

This chapter focuses on a relatively new class of survival models: the multilevel approaches to time-to-event data. It first reviews the importance of conducting multilevel analysis in social work ... More


Autocorrelation

Gidon Eshel

in Spatiotemporal Data Analysis

Published in print:
2011
Published Online:
October 2017
ISBN:
9780691128917
eISBN:
9781400840632
Item type:
chapter
Publisher:
Princeton University Press
DOI:
10.23943/princeton/9780691128917.003.0008
Subject:
Environmental Science, Environmental Studies

This chapter discusses theoretical autocovariance, autocorrelation functions of autoregressive models of orders 1 and 2, and autocorrelation function-derived timescale. The autocorrelation function ... More


ELECTRICAL CONDUCTIVITY OF PARTIALLY IONIZED PLASMA

V. E. Fortov, I. T. Iakubov, and A. G. Khrapak

in Physics of Strongly Coupled Plasma

Published in print:
2006
Published Online:
September 2007
ISBN:
9780199299805
eISBN:
9780191714948
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199299805.003.0006
Subject:
Physics, Nuclear and Plasma Physics

This chapter focuses on the electrical conductivity of partially ionized plasma. The case of ideal plasma is considered, and the Lorentz formula for weakly ionized plasma and Spitzer formula for ... More


Stochastic Specification in an Aggregate Demand Model of the United Kingdom

David F. Hendry

in Econometrics: Alchemy or Science?: Essays in Econometric Methodology

Published in print:
2000
Published Online:
November 2003
ISBN:
9780198293545
eISBN:
9780191596391
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/0198293542.003.0003
Subject:
Economics and Finance, Econometrics

Empirical modelling is analysed and illustrated for a small system of aggregate demand relationships in the UK, using estimators specifically developed to tackle the problems of autocorrelation and ... More


Testing Dynamic Specification in Small Simultaneous Systems: An Application to a Model of Building Society Behaviour in the United Kingdom

David F. Hendry and Gordon J. Anderson

in Econometrics: Alchemy or Science?: Essays in Econometric Methodology

Published in print:
2000
Published Online:
November 2003
ISBN:
9780198293545
eISBN:
9780191596391
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/0198293542.003.0004
Subject:
Economics and Finance, Econometrics

The approach evaluated here is that of simplifying an initial general system, which accounts for mis‐specifications in previous empirical models as predicted by the economic theory—a variant of ... More


On the Time‐Series Approach to Econometric Model Building

David F. Hendry

in Econometrics: Alchemy or Science?: Essays in Econometric Methodology

Published in print:
2000
Published Online:
November 2003
ISBN:
9780198293545
eISBN:
9780191596391
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/0198293542.003.0006
Subject:
Economics and Finance, Econometrics

The ‘time‐series’ approach to econometrics is critically evaluated, and analytical test power response surfaces presented. Non‐stationarity, differencing and ‘error‐correction’ models (though not yet ... More


Serial Correlation as a Convenient Simplification, not a Nuisance: A Comment on a Study of the Demand for Money by the Bank of England

David F. Hendry and Grayham E. Mizon

in Econometrics: Alchemy or Science?: Essays in Econometric Methodology

Published in print:
2000
Published Online:
November 2003
ISBN:
9780198293545
eISBN:
9780191596391
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/0198293542.003.0007
Subject:
Economics and Finance, Econometrics

Sargan's COMFAC procedure for single equations (common factors in lag polynomials) is exposited. Four important conceptual clarifications arise. First, residual autocorrelation does not entail error ... More


Some Extensions

James Davidson

in Stochastic Limit Theory: An Introduction for Econometricians

Published in print:
1994
Published Online:
November 2003
ISBN:
9780198774037
eISBN:
9780191596117
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/0198774036.003.0025
Subject:
Economics and Finance, Econometrics

Four extensions of the CLT are considered in this chapter. First, estimated normalization, using methods of heteroscedasticity and autocorrelation consistent variance estimation. Second, random ... More


A Typology of Linear Dynamic Equations

David F. Hendry

in Dynamic Econometrics

Published in print:
1995
Published Online:
November 2003
ISBN:
9780198283164
eISBN:
9780191596384
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/0198283164.003.0007
Subject:
Economics and Finance, Econometrics

Nine special cases of the autoregressive‐distributed lag model are analysed focusing on important econometric problems, namely: simple‐to‐general modelling; the ‘time‐series vs. econometrics’ debate; ... More


Spectral measurement and correlation

Melvin Lax, Wei Cai, and Min Xu

in Random Processes in Physics and Finance

Published in print:
2006
Published Online:
January 2010
ISBN:
9780198567769
eISBN:
9780191718359
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198567769.003.0004
Subject:
Physics, Theoretical, Computational, and Statistical Physics

This chapter compares three definitions of noise. The first is the standard engineering definition that takes a Fourier transform over a finite time interval, squares it, divides by the time, and ... More


The Quantitative Assessment of Neighborhood Social Environments

Stephen W. Raudenbush

in Neighborhoods and Health

Published in print:
2003
Published Online:
September 2009
ISBN:
9780195138382
eISBN:
9780199865505
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780195138382.003.0005
Subject:
Public Health and Epidemiology, Public Health, Epidemiology

As interest in the social sciences and public health increasingly turns to the integration of individual, family, and neighborhood processes, a potential mismatch arises in the quality of measures. ... More


The Noise Component:N(at)

David McDowall, Richard McCleary, and Bradley J. Bartos

in Interrupted Time Series Analysis

Published in print:
2019
Published Online:
February 2021
ISBN:
9780190943943
eISBN:
9780190943981
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780190943943.003.0003
Subject:
Sociology, Social Research and Statistics

Chapter 3 develops the methods or strategies for building ARIMA noise models. At one level, the iterative identify-estimate-diagnose modeling strategy proposed by Box and Jenkins has changed little. ... More


4 The nonparametric approach

Timo Teräsvirta, Dag Tjøstheim, and W. J. Granger

in Modelling Nonlinear Economic Time Series

Published in print:
2010
Published Online:
May 2011
ISBN:
9780199587148
eISBN:
9780191595387
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199587148.003.0004
Subject:
Economics and Finance, Econometrics

In linear modelling nonparametric quantities such as the autocorrelation and spectrum are important. In this chapter the limitations of these concepts in a nonlinear context are highlighted, and it ... More


Not just nuisance: spatialising social statistics

Richard Harris

in Towards a Spatial Social Policy: Bridging the Gap Between Geography and Social Policy

Published in print:
2019
Published Online:
May 2020
ISBN:
9781447337904
eISBN:
9781447337959
Item type:
chapter
Publisher:
Policy Press
DOI:
10.1332/policypress/9781447337904.003.0008
Subject:
Political Science, Public Policy

Outside of the specialist community of quantitative spatial researchers’ statistical analyses in the social sciences see geography merely as simple units of analysis or else as nuisance risks to the ... More


Ultrasound

Varut Vardhanabhuti, Julia James, Rosemary Gray, Rehaan Nensey, Vivien Shuen, and Tishi Ninan (eds)

in MCQs for the First FRCR

Published in print:
2010
Published Online:
November 2020
ISBN:
9780199584024
eISBN:
9780191917967
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780199584024.003.0015
Subject:
Clinical Medicine and Allied Health, Professional Development in Medicine


The Role of Insect Parasitoids in Population Cycles of the Spruce Needleminer in Denmark

Mikael Münster-Swendsen

in Title Pages

Published in print:
2002
Published Online:
November 2020
ISBN:
9780195140989
eISBN:
9780197561751
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780195140989.003.0006
Subject:
Environmental Science, Applied Ecology

The spruce needleminer, Epinotia tedella (Cl.) (Lepidoptera: Tortricidae), is a small and abundant moth associated with Norway spruce (Picea abies Karst.). Larvae mine ... More


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