article binary biography book categorical crime seriousness criminal careers criminology critique data retention destinations developmental change DNA duration data e-Learning e-mail education Home Office hub investigators Lancaster latent class analysis latent transition analysis linked research longitudinal longitudinal data longitudinal data analysis Longitudinal study of Young People in England microgenetics missing data mixed models Murray Aitkin node onset ordinal ordinal data paired comparisons people presentation psychology publications quantitative quantitative criminology Random effects ranked data researchers risk seminars serious offences short course Social Statistics sociology specialisation statistical modelling Survival analysis talks training materials transition Warwick workshop