Additional file 1.Online appendix. This pdf document provides additional information on the algebraic notation, on the software and R code, and on the time series data used in the example. Format: PDF Size: 224KB Download file This file can be viewed with: Adobe Acrobat Reader Gasparrini and Armstrong BMC Medical Research Methodology 2013 13:1 doi:10.1186/1471-2288-13-1 |