Delay Repay Costing 2017-12-20 David acted as data analyst on a project to analyse the expected costs of different delay repay scenarios. Transport Regulation Rail David Rickmann Data Scientist My research interests include transport as a system, data science and asteroid mining. Related Schedule 8 recalibration. Yield Group Remapping West Midlands Franchise Bid Northern and Transpennine Express franchise bid assessment. Remote Sensors Pilot