Description Usage Arguments Examples

Using a Von Bertalanffy growth function and parameters you supply, this determines the proportion of a cohort's numbers and biomass that are at or above different size classes each year

1 | ```
vbrecruit.f(birth.year, final.year, Linf, k, t0, cv, lengths.of.interest)
``` |

`birth.year` |
four digit year of birth |

`final.year` |
four digit final year of the growth projection (birth year + average max age is a good) |

`Linf` |
VB maximum length (cm) |

`k` |
VB k |

`t0` |
VB t-zero |

`cv` |
coefficient of variation on length for an age |

`lengths.of.interest` |
(often the length at recruitment to the fishery or a valuable size |

1 2 3 4 | ```
cohort.props.f(birth.year=2011, final.year = 2030, Linf = 42, k = 0.086, t0 = -1.57, cv = 0.089)
vb.growth.f(age.vector=1:40,Linf=42,k=0.086,t0=-1.57,cv=0.089)
recruit=vbrecruit.f(birth.year=2011, final.year = 2035, Linf = 42, k = 0.086, t0 = -1.57, cv = 0.089,
lengths.of.interest=c(25,22,27,30,35))
``` |

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