Robert Crouchley
Present Positions
- Professor of Applied Statistics
- Director of the Centre for e-Science
- Member of the Economics Department
Previous Positions
- 1979-1982: University of Wales Post Doctoral Research Fellowship, Dept of Town
Planning, UWIST
- 1982-1983. Research Fellow,
SSRC-funded programme under Professor A.G. Wilson, School of Geography,
University of Leeds, to study the optimum location and size of schools and
hospitals
- 1983-1991. New Blood Lectureship
in Social Statistics, Department of Sociology, University of Surrey,
Guildford. Course director for the M.Sc. in Social Research.
- 1991-1994. Lecturer in
quantitative methods, Department of Statistics and Mathematical Sciences
and The Interdisciplinary Institute of Management, London School of
Economics.
- October 1994 - April 2003: Senior Lecturer in
Social Statistics
Qualifications
1. BSc (Loughborough) Civil Engineering, 1971
2. MSc (UWIST) Town
Planning, 1976
3. PhD (UWIST) Stochastic
process theory applied to dwelling tenure, Department of Town Planning
(supervisor: Professor Richard B. Davies), 1979.
4.
PhD (London) Testing for overdispersion in
the parametric proportional hazards and some related models, Department of
Mathematics, Imperial College (supervisor: Professor Sir David Cox), 1992.
Research Grants
1.
1979-1981 University of Wales, 2-year post-doctoral
research fellowship in Department of Town Planning, UWIST, Cardiff.
2.
1985 ESRC grant of £2,000 to organise a conference at the University of
Surrey on Longitudinal Data Analysis.
3.
1987-1991 ESRC, peer review, grant to use the CRAY super
computer at ULCC.
4.
1990-2000 One of circa 40 applicants for an
Interdisciplinary Research Centre (Director: Professor R. Layard, Centre for
Economic Performance, LSE).
5.
1993-1995 ESRC, grant of £26,980, To Test for the Exogeneity of Area
in the SCELI Data for a Competing Risk Model of Labour Mobility. This grant
output was classified as good.
6.
1993-1996 ESRC, grant of
£12,910, A study of self-employment episodes in the careers of managers (with
C. Mills, Professor P. Abell, 1994-1995).
7.
1996-1998 ESRC, grant of £29,365, Testing for quasi market forces in
secondary education (with S. Bradley and Professor J. Taylor, Lancaster
University, Department of Economics). This grant output was classified as outstanding
8.
1997-1998 Lancaster University, Committee for Research,
grant of £1,500, Some preliminary research on the Youth Cohort Study for
England and Wales, (with S. Bradley and Prof. J Taylor).
9.
1997-1999 ESRC, grant of £37,900, A test for the
interdependence of the selected areas and labour market mobility in the BHPS
data.
10. 1998-2001 ESRC,
grant of £82,863, Assessing the consequences of ignoring dropout in panel
surveys.
11.
2001-2004 ESRC, grant of £250,000, A High Performance
Computing Facility for the Social Sciences.
Research Interests
· the development of statistical methods for causal inference in non-experimental data, these include models for errors in variables, missing data, heterogeneity, state dependence non stationarity, event history data, selection effects.
Publications
Books and Chapters in Books
1.
1985 P.N. O'Farrell and R. Crouchley, 'An industrial spatial analysis of
new firm formation in Ireland', in D.J. Story (ed), Small Firms in Regional
Economic Development, 101-34, Cambridge: CUP.
2.
1985 A. R. Pickles, R. B. Davies and R. Crouchley, 'Understanding life
histories and recurrent choice: a framework for analysis', in P. Able and M.
Proctor (eds), Sequence Analysis: Surrey Conferences on Sociological Theory and
Methods II, Aldershot: Gower, 68-83.
3.
1985 R.B. Davies and R. Crouchley, 'Gender effects in voting behaviour',
in P. Abell and M. Proctor (eds), Sequence Analysis: Surrey Conferences on
Sociological Theory and Methods II, Aldershot: Gower, 84-98.
4.
1987 R. Crouchley, 'A comparison of conditional and marginal likelihood
methods for estimating the logistic model in collections of binary sequences',
in R. Crouchley (ed.), Longitudinal Data Analysis: Surrey Conferences on
Sociological Theory and Method IV, Aldershot: Gower.
5.
1987 R. Crouchley and A.R. Pickles, 'An illustrative comparison of
conditional and marginal methods for analysing longitudinal data with omitted
variables', in R. Crouchley (ed), Longitudinal Data Analysis: Surrey
Conferences on Sociological Theory and Method IV, Aldershot: Gower.
6.
1987 R. Crouchley and P.N. O'Farrell, 'Mortality among new industrial
plants with a non-parametric control for omitted variables', in R. Crouchley (ed),
Longitudinal Data Analysis: Surrey Conferences on Sociological Theory and
Method IV, Aldershot: Gower.
7.
1987 R. Crouchley, Longitudinal Data Analysis: Surrey Conferences on
Sociological Theory and Method IV, Aldershot: Gower.
8.
1991 A.R. Pickles and R. Crouchley, 'Stochastic Process Models in
Clinical Psychology and Psychiatry', in F. Dunstan and A.R. Pickles (eds),
Statistics in Medicine, IMA Conference Proceedings, 125-48, Oxford: OUP.
9.
1992 R.B. Davies and R. Crouchley, 'Sampling for a panel study: the
consequences for statistical modelling', in A.P.M. Coxon (ed), Sample Design
Issues in a Panel Survey: the case of the British Household Panel Study,
Working Papers of the ESRC Research Centre on Micro-social Change, paper 3,
Colchester: University of Essex, 17-32.
10.
1997 Oskrochi, R. Crouchley and R.B. Davies, A
Family of Compound Distributions Applied to Recurrent Breast Cancer Data with
Selection and Informative Dropout, in Christoph E. Minder & Herwig Friedl
(eds), Good Statistical Practice, Proceedings of the 12th International
Workshop on Statistical Modelling, Biel/Bienne, Switzerland, 250-54.
11.
1998 M. Ganjali, R. Crouchley, A random effects
model for longitudinal ordinal data with a general pattern of missing in the
response, in B. Marx and H. Friedl, (eds), Statistical Modelling, Proceedings
of the 13th International Workshop on Statistical Modelling, New Orleans,
U.S.A., 222-229.
12.
1998 G.R. Oscrochi, R. Crouchley, A test for pooling
failure types in competing risk models in B. Marx and H. Friedl, (eds),
Statistical Modelling, Proceedings of the 13th International Workshop on
Statistical Modelling, New Orleans, U.S.A., 306-313.
13.
2000 R. Crouchley and G.R. Oskrochi, Pattern mixture
models for dropout in mulit-spell multi-state labour market panel data,
Statistical Modelling, Proceedings of the 15th International Workshop on
Statistical Modelling, Bilbao, Spain, 178-182.
14.
2001 R. Crouchley, R.B. Davies, Modelling processes
with outcome dependence: problems and pitfalls, I B. Klein and L Korsholm,
(eds), New Trends in Statistical Modelling, Proceedings of the 16th
International Workshop on Statistical Modelling, Odense, Denmark, 119-126
Papers in Refereed Journals
1.
1979 P.N. O'Farrell and R. Crouchley, 'The locational patterns of new
manufacturing establishments: an application of discriminant analysis',
Regional Studies, Vol.13, 39-59.
2.
1981 R. Crouchley, 'Identification of a frequency distribution: an
application to duration in dwelling tenure', Environment and Planning A,
Vol.13, 801-08.
3.
1981 R. Crouchley, 'A family of tests for a collection of Poisson
processes: an application to occupancy transfer', Environment and Planning A,
vol.13, 1361-70.
4.
1982 A.R. Pickles, R. Crouchley and R.B. Davies, 'New methods for the
analysis of sex ratio independent of the effects of family limitation', Annals
of Human Genetics, vol.46, 75-81.
5.
1982 R.B. Davies, A.R. Pickles and R. Crouchley, 'Event history
testing', Sociological Methods and Research, vol.10, 285-302.
6.
1982 R. Crouchley, A.R. Pickles and R.B. Davies, 'Dynamic models of
shopping behaviour: testing the linear learning model and some alternatives',
Geografiska Analler B, vol.64, 27-33.
7.
1982 A.R. Pickles, R.B. Davies and R. Crouchley, 'Heterogeneity and
nonstationarity and duration-of-stay effects in migration', Environment and
Planning A, vol.14, 615-22.
8.
1982 R.B. Davies, R. Crouchley and A.R. Pickles, 'A
family of hypothesis tests for a collection of short event series with an
application to female employment participation', Environment and Planning A,
vol.14, 603-14.
9.
1982 R. Crouchley, R.B. Davies and A.R. Pickles, 'Identification of some
recurrent choice processes', Journal of Mathematical Sociology, vol.9, 63-73.
10.
1982 A.R. Pickles, R. Crouchley and R.B. Davies, 'Non-participants in
choice processes: an application to intra-urban migration', Area, vol.14,
43-50.
11.
1982 R.B. Davies, R. Crouchley and A.R. Pickles, 'Modelling the
evolution of heterogeneity in residential mobility', Demography, vol.19,
291-99.
12.
1982 R. Crouchley, R.B. Davies and A.R. Pickles, 'A re-examination of
Burnett's study of Markovian models of movement', Geographical Analysis,
vol.14, 260-62.
13.
1982 R. Crouchley, A.R. Pickles and R.B. Davies, 'A family of Markovian
models for recurrent choice', Regional Science and Urban Economics, vol.12,
305-11.
14.
1983 R. B. Davies, A.R. Pickles and R. Crouchley, 'Some methods for the
testing and estimation of dynamic models which use panel data', Environment and
Planning A, vol.15, 1457-88.
15.
1984 R. Crouchley, R.B. Davies and A.R. Pickles, 'Methods for the
identification of Lexian, Poisson and Markovian variation in the secondary sex
ratio', Biometrics, vol.40, 165-75.
16.
1984 R. Crouchley, 'Some Corrections to Coelho and Wilson, 1976: The
Optimum `Location and Size of Shopping
Centres', Regional Studies, vol.18.5, 393-6.
17.
1984 R. Crouchley, 'Equilibrium conditions and solution procedures for
the production-constrained spatial interaction model with a general
attractiveness function', Environment and Planning A, vol.16, 821-8.
18.
1984 P.N. O'Farrell and R. Crouchley, 'Employment change in permanent
manufacturing plants: analysis and implications from an Irish case study',
Environment and Planning A, vol.17, 333-53.
19.
1984 P.N. O'Farrell and R. Crouchley, 'Industrial Closures in Ireland:
analysis and implications', Regional Studies, Vol.17, 411-27.
20.
1984 P.N. O'Farrell and R. Crouchley, 'An Industrial and Spatial
Analysis of New Firm Formation in Ireland', Regional Studies, vol.18, 221-36.
21.
1984 A.R. Pickles, R.B.Davies and R. Crouchley, 'Individual and
geographical variation in longitudinal voting data for England, 1964-70',
Environment and Planning A, vol.16, 1237-47.
22.
1984 R.B. Davies and R. Crouchley, 'Calibrating longitudinal models of
residential mobility and migration; an assessment of a non-parametric marginal
likelihood approach', Journal of Regional Science and Urban Economics, vol.14,
231-47.
23.
1985 R.B. Davies and R. Crouchley, 'The determinants of party loyalty: a
disaggregate analysis of panel data from the 1974 and 1979 general elections in
England', Political Geography Quarterly, vol.14, 307-20.
24.
1985 R.B. Davies and R. Crouchley, 'Control for omitted variables in the
analysis of panel and other longitudinal data', Geographical Analysis, vol.17,
No.1, 1-15.
25.
1986 R.B. Davies and R. Crouchley, 'The mover-stayer model: requiescat
in pace', Sociological Methods and Research, vol.14, No.4, 356-80.
26.
1987 P.N. O'Farrell and R. Crouchley, 'Manufacturing-plant closures: a
dynamic survival model', Environment and Planning A, vol.19, 313-329.
27.
1987 R. Crouchley, 'An examination of the equivalence of three
alternative mechanisms for establishing the equilibrium solutions of the
production-constrained spatial interaction model', Environment and Planning A,
vol.19, 861-74.
28.
1989 Crouchley, R. and Pickles, A.R., 'An Empirical Comparison of
Conditional and Marginal Likelihood Methods in a Longitudinal Study', in C.
Clogg (ed), Sociological Methodology, 19, 161-83.
29.
1991 Crouchley, R., Pickles, A.R. and O'Farrell, P.N., 'Duration of
unemployment among men in Northern Ireland: regional inequality or
denominational discrimination?', Environment and Planning A, vol.23, 903-20.
30.
1993 A.R. Pickles, R. Crouchley, L. Eaves, E. Simjonoff, J. Meyer, J.
Hewitt, J. Silberg, R. Loeber, M. Neale and M. Rutter, 'Multivariate survival
models applied to the age of onset of conduct disorder in the Virginia Twin
Study of Adolescent Behavioural Development' (a published abstract),
Psychiatric Genetics, 3, 190-91.
31.
1993 Crouchley, R. and Pickles, A.R., 'A Specification Test for Univariate
and Multivariate Proportional Hazards Models', Biometrics, 49, December,
1067-76.
32.
1994 A.R. Pickles and R. Crouchley, 'Generalisations and applications of
frailty models for survival and event data', Statistical Methods in Medical
Research, 3, 263-78.
33.
1994 A.R. Pickles, R. Crouchley, E. Simonoff, L. Eves, J. Meyer, M.
Rutter, J. Hewitt and J. Silberg, 'Survival Models for Developmental Genetic
Data : Age of Onset of Puberty and Antisocial Behavior in Twins', Genetic
Epidemiology, 11, 155-70.
34.
1994 A.R. Pickles, M. Neale, E. Simonoff, M. Rutter, J. Hewitt, J.
Meyer, R. Crouchley, J. Silbert and L. Eaves, 'A Simple Method for Censored
Age-of-Onset Data Subject to Recall Bias: Mothers' Reports of Age of Puberty in
Male Twins', Behavior Genetics, Vol.24, No.5, 457-67.
35.
1995 A. Pickles and R. Crouchley, 'A Comparison of Frailty Models for
Multivariate Survival Data', Statistics in Medicine, Vol.14, 1447-61.
36.
1995 Crouchley, R. and Pickles, A.R., 'Multivariate survival models for
repeated and correlated events', Journal of Statistical Planning and Inference,
47, 95-110.
37.
1995 R. Crouchley, 'A Random-Effects Model for Ordered Categorical
Data', Journal of the American Statistical Association, Vol.90, No.430, 489-98.
38.
1998 R. Crouchley, Testing for sample-selection bias due to location
effects in work-history data collected retrospectively from a geographically
based sample, Environment and Planning A, vol.30, 2195-2210.
39.
1998 R. Crouchley and A. Dassios, 'Interpreting the Beta Geometric in
Comparative Fecundability Studies', Biometrics, 54, 161-7.
40.
1999 R. Crouchley, & R.B. Davies, (1999), 'A comparison of
population average and random effect models for the analysis of longitudinal
count data with base-line information', JRSS A, 162, 331-347.
41.
2000 S. Bradley, R. Crouchley, J. Millington and J. Taylor, 'Testing for
quasi market forces in secondary education', Oxford Bulletin of Economics and
Statistics, 62 357-390.
42.
2001 R. Crouchley, & G. Oskrochi, 'Testing for origin dependence in
socio-economic duration data', Environment and Planning A, 32, 1857-1868.
43.
2001 R. Crouchley, & G. Oskrochi,
'Testing for sample-selection bias due to location effects in the labour
market behaviour of respondents from the British Household Panel Survey',
Environment and Planning A, 33, 1963-1984.
44. 2002 I. Hooshang,
G. Johnes, G. Oskrochi, G. and R. Crouchley, 'Stochastic frontier estimation of
a CES cost function: the case of Higher Education in Britain, Economics of
Education Review, 21 (1), 63-72.
In Press
1.
2002 R. Crouchley, & R.B. Davies, A comparison of GEE and random
effects models for distinguishing heterogeneity, nonstationarity and state
dependence in a collection of short binary event series. Statistical Modelling.
2.
2002 R. Crouchley, & M. Ganjali, The common structure of several
recent statistical models for dropout in repeated continuous responses,
Statistical Modelling.
3.
2002 P. Abell, R. Crouchley, and C. Mills, An exploration of
Self-Employment in Great Britain: In Search of Social Capital, Rationality and
Society.
Papers under review and being
revised
1.
2002 R. Crouchley, S.Bradley and R. Oskrochi. Social exclusion and
labour market transitions, a multi-state multi-spell analysis using the BHPS,
(being revised), Journal of Labour Economics.
2.
2002 R. Crouchley, and M. Ganjali, A model for a cluster of mixed
continuous and discrete responses with non-monotone missingness, (being
revised), Biostatistics,
3.
2002 R. Crouchley, and R. Oskrochi, A random effects treatment of
dropout in multi-spell multi-state labour market panel data, Journal of Applied
Econometrics, available
as a working paper
4.
2002 Crouchley, R. & Dassios, A., A subject specific interpretation
of between group differences in the compound poisson model, (being revised),
Statistical Modelling
Papers in preparation
1.
2002 Bradley, S., Crouchley, R. & Oskrochi, R.
Labour market transition behaviour in the 1990s: A multi-state multi-spell
model with correlated risks
2.
2002 Crouchley, R. Bradley, S. & and A. Fagih, Earning, learning and
truanting: a simultaneous equations approach
3.
2002 Crouchley, R. Bradley, S., Assessing the consequences of missing data
in panel and other longitudinal surveys for the returns to education on
employment and wages.
Personal Interests
·
walking in the hills and valleys of the lake district with my
family
·
playing tennis, I am captain of one of the teams at a local club
Other personal info or photos
Contact Details
·
* r.crouchley@lancaster.ac.uk
·
( (+44) 01524 593161