10.6084/m9.figshare.3525107.v1 J. Andrew Royle J. Andrew Royle William A. Link William A. Link Supplement 1. Data and computer programs for fitting multinomial mixture models used in the main article. Wiley 2016 abundance index latent class model frogs amphibian monitoring anurans population index NAAMP site occupancy detection probability Environmental Science Ecology 2016-08-05 02:05:29 Dataset https://wiley.figshare.com/articles/dataset/Supplement_1_Data_and_computer_programs_for_fitting_multinomial_mixture_models_used_in_the_main_article_/3525107 <h2>File List</h2><blockquote> <p><a href="frogindex.Rdump">frogindex.Rdump</a></p> <p> </p></blockquote><h2>Description</h2><blockquote> <p>The file frogindex.Rdump is an <b>R</b> dump file that contains 3 <b>R</b> objects. This file should be loaded into <b>R</b> by issuing the command source("frogindex.Rdump") from an active <b>R</b> session. This will yield 3 objects defined subsequently. The file frogindexmodel.fn is an <b>R</b> script containing the commands for fitting multinomial mixture models. Some familiarity with <b>R</b> or the S language is assumed. As an illustration, the model contained in the first row of Table 2 of Royle and Link is fitted and the resulting output is returned. <br> <br> The remaining two objects are data matrices -- gf.data contains the Greenfrog calling index data. This is a matrix where rows index sample locations and columns index sample occasions. Missing values are indicated by "NA" <br> The file gf.temp contains the temperature covariate data, in the same matrix format [sites × occasions]. </p> </blockquote>