Results of all QA/QC Exercises
for White Hake, Urophycis tenuis

Urophycis tenuis


Initials for each age reader are given. All samples were collected by the Northeast Fisheries Science Center (NEFSC). Stock indicates which stock area samples were taken from, either Eastern (EGOM) or western (WGOM) Gulf of Maine; if not specified, samples were from both areas combined. In tests where agreement is below 90%, bias indicates either the P-value of a Bowker’s test or ‘n/s’ (test not significant at the α = 0.05 level).

Sample Source Stock Test Type Date Completed Age Reader Number Aged Number Tested CV (%) Agreement (%) Bias
2017 Spring Survey (201702) WGOM Precision 2/2018 JP 124 36 0.56 97.2  
2017 Spring Survey (201702) EGOM Precision 1/2018 JP 366 73 0.28 98.6  
2016 Autumn Survey (201604) WGOM Precision 7/2017 JP 409 79 2.98 93.7  
2016 Autumn Survey (201604) EGOM Precision 7/2017 JP 306 60 1.36 93.3  
2014 Spring Survey (201402)   Precision 6/2017 JP 263 49 3.73 83.7 n/s
2016 Spring Survey (201602) WGOM Precision 5/2017 JP 332 66 2.07 90.9  
2016 Spring Survey (201602) EGOM Precision 4/2017 JP 216 49 0.32 98.0  
2015 Autumn Survey (201504) WGOM Precision 3/2017 JP 417 66 2.86 93.9  
2015 Autumn Survey (201504) EGOM Precision 2/2017 JP 256 59 1.61 91.5  
2015 Spring Survey (201502)   Precision 12/2016 JP 597 78 8.19 65.4 <0.005
2014 Autumn Survey (201404)   Precision 8/2015 JP 468 89 9.37 70.8 0.023
2012 Autumn Survey (201204)   Precision 8/2014 WD 817 98 2.88 86.7 n/s
2013 Autumn Survey (201304)   Precision 7/2014 WD 328 71 17.50 69.0 n/s
2013 Spring Survey (201302)   Precision 6/2014 WD 348 71 8.64 62.0 n/s
2012 Spring Survey (201202)   Precision 2/2013 WD 616 100 6.09 76.0 n/s
2010 Spring Survey (201001)   Precision 2/2013 WD 755 99 7.78 68.7 0.023
2009 Spring Survey (200902)   Precision 2/2013 WD 775 96 5.77 75.0 n/s
2011 Autumn Survey (201105)   Precision 2/2013 WD 737 100 9.94 73.0 n/s
2009 Autumn Survey (200904)   Precision 2/2013 WD 822 99 10.64 72.7 n/s
2008 Autumn Survey (200807)   Precision 2/2013 WD 469 97 10.39 78.4 0.046
2007 Autumn Survey (200709)   Precision 1/2013 WD 488 95 4.47 82.1 n/s
2010 Autumn Survey (201004)   Precision 8/2012 WD 952 100 8.82 78.0 n/s
2011 Spring Survey (201102)   Precision 3/2012 WD 697 101 7.46 75.2 n/s

Return to main QA/QC page
Return to the FBP Homepage

www.nefsc.noaa.gov
Search Fisheries
Link Disclaimer
webMASTER
Privacy Policy
(File Modified Mar. 02 2018)