The R script and data files accompany the paper: Leif C. Stige, Mary E. Hunsicker, Kevin M. Bailey, Natalia A. Yaragina, George L. Hunt, Jr. "Predicting fish recruitment from juvenile abundance and environmental indices" submitted to Marine Ecology Progress Series 2012 Corresponding author e-mail: l.c.stige@bio.uio.no R version 2.14.0 was used for the analyses. The R script displays best using the freely available R code editor Tinn-R. The data series have been transformed as descriped in the main text. The data sources are given in Table 1 in the main text. Note! If considering using any of these data for publication purposes, please consult with and cite the original sources.