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von Bertalanffy Growth Plots II

Introduction library(FSAdata) # for data library(FSA) # for vbFuns(), vbStarts(), confint.bootCase() library(car) # for Boot() library(dplyr) # for filter(), mutate() library(ggplot2) In a previous post I demonstrated how to make... [Read More]

von Bertalanffy Growth Plots I

Introduction library(FSAdata) # for data library(FSA) # for vbFuns(), vbStarts(), confint.bootCase() library(car) # for Boot() library(dplyr) # for filter(), mutate() library(ggplot2) I am continuing to learn ggplot2 for elegant graphics.... [Read More]

RFishBC CRAN Release

I am pleased to announce that the RFishBC package has been released to CRAN. This package is intended to help fisheries scientists gather age and measurement data from digital images... [Read More]

Seeking Paired Fish Age Estimates

Josh Lyons, a Senior at Northland College, and I are reviewing metrics used to measure precision of (or variability among) estimated ages of fish from multiple readings of calcified structures... [Read More]