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Robert Crouchley

Prof. Rob Crouchley

                 

Present Positions

 

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Previous Positions

  1. 1979-1982University of Wales Post Doctoral Research Fellowship, Dept of Town Planning, UWIST
  2. 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
  3. 1983-1991. New Blood Lectureship in Social Statistics, Department of Sociology, University of Surrey, Guildford. Course director for the M.Sc. in Social Research.
  4. 1991-1994. Lecturer in quantitative methods, Department of Statistics and Mathematical Sciences and The Interdisciplinary Institute of Management, London School of Economics.
  5. October 1994 - April 2003: Senior Lecturer in Social Statistics

 

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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.

 

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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.

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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.

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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.

 

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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

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Other personal info or photos

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Contact Details

         *    r.crouchley@lancaster.ac.uk

         (    (+44) 01524 593161

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