<h2>File List</h2><blockquote> <p> <a href="Supp3Files/Ambystoma.tigrinum.csv">Ambystoma.tigrinum.csv</a><br> <a href="Supp3Files/trends.rtf">trends.rtf</a> </p> </blockquote><h2>Description</h2><blockquote> <p>trends.rtf is a text file with commands for implementing the quantile regression analyses on <i>Ambystoma tigrinum</i> trends in the text file Ambystoma.tigrinum.csv using the quantreg package in R.</p> <blockquote> Ambystoma.tigrinum.csv<br> Column 1: species - amphibian species,<br> Column 2: year - year of count,<br> Column 3: abundance - numbers per constant effort search,<br> Column 4: lagabundance - abundance lagged 1 year.<br> trends.rtf </blockquote> </blockquote>