Methods and Function for CDFW Sportfish Unit Data

AgeEach | Assign age to each fish based on extant age-length data. |

ALKPrecision | Assess Precison of Age-Length Key Using Different Sampling... |

ApplyStuRecap | Conveniently Apply 'StuRecap' Methods. |

AxisFormat | Customize Axis Tick Labels |

BackCalcLength | Uses Dahl-Lea method to back-calculate length at age. |

CatchCutoffMatrix | Create Annual (or Sampling Year) Length Cutoff Matrix. |

CatchLengthCutoff | Create Length Cutoff for White Sturgeon Catch. |

ChapmanRobson | Calculates survival rate given age frequency. |

ConvertLength | Converts Total Length to Fork Length or Fork Length to Total... |

CountNets | Counts Fyke Traps or Gill Nets Fished During Desired Period. |

CountRecap | Count Tag Recaptures For Each Release Year. |

DescStat | Calculates descriptive statistics of 'x'. |

EffortSb | Calculates Fishing Effort for Striped Bass Fyke Traps & Gill... |

EffortStu | Calculates Fishing Effort for Sturgeon Trammel Nets. |

Exploitation | Calculcates adjusted exploitation rate mu\prime. |

FitVBGM | Fits von Bertalanffy growth model (VBGM) using 'stats::nls'. |

FlagTows | A "Where Clause" or Filter for Bay Study Tows. |

Frequency | Create a frequency distribution of 'x' by 'binWidth'. |

GetStuRecap | Retrieve Dataframe of Sturgeon Tag Recaptures. |

GetVBGM | Create Function to Apply von Bertalanffy Growth Model (VBGM). |

GroupYear | Extract 4-digit Year Based on Starting Month. |

HoursSb | Calculates Fishing Time in Hours. |

LengthGroup | Assign Each Fish to Length Group. |

lkp_striper | Look-up Table for Striped Bass Mark-Recapture Data. |

lkp_sturgeon | Look-up Table for Sturgeon Mark-Recapture Data. |

MakeALKey | Make an age-length key with lengths as rows and ages as... |

PanelCorr | Add Correlation and Smoother to 'graphics::pairs()' Plot. |

PanelLM | Add Linear Regression (Line & Ouput) to 'graphics::pairs()'... |

PetersenEst | Calculate Petersen Abundance Estimates. |

plot.Frequency | Generate base R histogram from object of class 'Frequency'. |

print.return_year | Print Method for 'TagRetYear'. |

ReadRDSFiles | Read All '.rds' Files from a Single Directory. |

ReportingRate | Calculates angler reporting rate of non-reward tags. |

SexRatio | Calculate Count and Proportion of Male to Female |

Split | Create List Column for Analytics. |

StuRecap | Get Sturgeon Recapture Summary Data. |

TagCount | Get Tag Count. |

TagRetYear | Calculate Return Year for Angler Tag Returns. |

TagSequence | Generate Sequence and Count of Tags (marks). |

TimeDiffStu | Calculates Fishing Times of Sturgeon Trammel Net. |

TowMetric | Calculate Bay Study Tow Volume or Tow Area. |

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