Johnson DW, Grorud-Colvert K, Rankin TL, Sponaugle S Measuring selective mortality from otoliths and similar structures: a practical guide for describing multivariate selection from cross-sectional data MEPS 471:151-163 | Full text in pdf format

Supplement 1. R script for selection gradient analysis (also requires the 'MASS' package in R) (14.67 kB) Supplement 2. R script for visualizing selection surfaces estimated from cross-sectional data (also requires the 'mgcv' package in R) (15.03 kB)