fishR - R for Fisheries Analyses and Tasks

Plots of Back-Calculated Lengths-At-Age

Initial thoughts on displaying back-calculated lengths-at-age.

Jan 1, 2023

Replace compSlopes() with emtrends()

Using emtrends() from emmeans as an alternative to compSlopes() which was removed from FSA.

Jan 1, 2023

Replace compIntercepts() with emmeans()

Using emmeans() from emmeans as an alternative to compIntercepts() which was removed from FSA.

Jan 1, 2023

Replace fitPlot() with ggplot

Using ggplot() as an alternative to fitPlot() which was removed from FSA.

Dec 27, 2022

AFS Style in ggplot2 Figures

Suggestions for the Glassic et al. (2019) process for modifying ggplot2 graphs to match the AFS Style Guide.

Dec 23, 2022

Mean Weights at Ages From Lengths

Demonstrates concerns and corrections with estimating mean weight from observed lengths and a weight-length relationship.

Dec 22, 2022

Replace filterD()

An alternative to filterD() which was removed from FSA.

Dec 19, 2022

Collapsing Categories or Values

How to collapse categories or values into other categories

Dec 19, 2022

Computing SE for PSD indices

Demonstrate how to compute SE for PSD indices.

Dec 19, 2022

Two New Cumulative Sum Functions

Introducing the missing current and reverse cumulative sum functions.

Dec 19, 2022

Bland-Altman Plot for Age Comparisons?

Explore the use of Bland-Altman plots for comparing paired age estimates.

Dec 18, 2022

Stock-Recruitment Graphing Questions

A reply to a user’s questions with respect to stock-recruitment function graphics.

Dec 18, 2022

Replace residPlot() with ggplot

Using ggplot() as an alternative to residPlot() which was removed from FSA.

Dec 14, 2022

von Bertalanffy Growth Plots II

How to plot multiple von Bertalanffy growth models with data.

Dec 13, 2022

von Bertalanffy Growth Plots I

How to plot one von Bertalanffy growth model with data.

Dec 12, 2022

Pauly et al. (1992) Seasonal Cessation Growth Model

Announcement of an algorithm to fit the Pauly et al. (1992) seasonal cessation growth model

Dec 8, 2022

Ridgeline Length Frequency Plots

How to visualize multiple length frequencies as ridgline plots.

Dec 7, 2022

Age Comparison Results for Individual Fish

Demonstrates how to extract age comparison results for individual fish from the object returned by ageComparisons().

Dec 7, 2022

Age Bias Plots in ggplot2

Flexibly construct age bias and age difference plots using ggplot2

Dec 7, 2022

Length Frequency Histograms in ggplot2

Flexibly construct length frequency histograms using ggplot2

Dec 7, 2022