[MARMAM] qfasar: New R Package for Diet Estimation

Bromaghin, Jeffrey jbromaghin at usgs.gov
Mon Aug 29 11:39:28 PDT 2016

I would like to announce the availability of a new R package, called
qfasar, for diet estimation using quantitative fatty acid signature
analysis (QFASA), a popular method in studies of marine species.  The
package provides basic functionality to estimate diet composition in
typical QFASA studies.  In addition, the package provides advanced
functionality to evaluate and improve diet estimation, diagnose estimation
problems, and support simulation-based research.  The package makes
traditional QFASA methods and analytical techniques drawn from our four
methodology papers published in 2015 and 2016 easily accessible to
ecologists for the first time. The package is available on the CRAN website
(https://cran.r-project.org/web/packages/qfasar/) and as a USGS Alaska
Science Center software tool (https://dx.doi.org/10.5066/F71G0JC9).


Jeffrey F. Bromaghin, PhD
Research Statistician
USGS Alaska Science Center
Marine Ecosystems Office
4210 University Drive
Anchorage, AK 99508
jbromaghin at usgs.gov
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