Description Usage Format Details Source Examples
Black anglerfish individual-based data from the Bay of Bizcay sampled from the catch of an industrial fishing fleet.
1 | data("BlackAngler.agematdat")
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A data frame with 711 observations on the following 4 variables.
pred
Integer, age in years
sex
Integer, 1 for males and 2 for females
month
Integer, the month of capture
stages
Integer, stages of maturity encompassing a gradual advance from juvenile to sexually matur individual
Age has been fixed by biologists examining rings in otoliths. Maturity stages have been fixed by biologists using macroscopic aspect of the fish gonads.
http:\www.azti.es
1 |
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