Christopher Chizinski
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Categories
All (24)
creative coding (1)
fisheries (11)
ggplot2 (1)
quarto (2)
rstats (24)
tidycreel (11)

Blog

Notes on R, data analysis, and creel survey methods

Getting Real Creel Data into tidycreel
13 min
tidycreel
rstats
fisheries
Oct 23, 2026

Rebuilding the Palmer Penguins, one triangle at a time
8 min
rstats
ggplot2
creative coding
Oct 12, 2026

tidycreel is now on CRAN
3 min
tidycreel
rstats
fisheries
Oct 10, 2026

Zero, Missing, or Unsampled? Reading Creel Diagnostics
9 min
tidycreel
rstats
fisheries
Oct 9, 2026

From Angler-Hours to Fish: Estimating Catch, Harvest, and Release
10 min
tidycreel
rstats
fisheries
Oct 2, 2026

How an Instantaneous Count Becomes Angler-Hours
8 min
tidycreel
rstats
fisheries
Sep 25, 2026

Why a Creel Survey Needs Linked Tables
10 min
tidycreel
rstats
fisheries
Sep 18, 2026

Illustration of a fisheries clerk standing at the shoreline and interviewing two anglers in a boat pulled close to shore, with a simple chart showing two interview paths.

How an Angler Is Interviewed Matters
9 min
tidycreel
rstats
fisheries
Sep 11, 2026

Illustration of a creel-survey calendar with selected sampling days, a boat and field gear at a lake, and a chart representing the resulting estimate.

Why the sampling calendar belongs in the estimate
6 min
tidycreel
rstats
fisheries
Sep 3, 2026

Illustration of a creel-survey calendar, a clerk interviewing an angler at a lake, and a chart showing an estimate with uncertainty.

What we’re working on in tidycreel right now
8 min
tidycreel
rstats
fisheries
Sep 2, 2026

Start with the design object
8 min
tidycreel
rstats
fisheries
Aug 27, 2026

Introducing tidycreel and Modern Creel Survey Analysis in R
6 min
tidycreel
rstats
fisheries
Aug 18, 2026

quarto-sciposter hex sticker showing a scientific poster with charts and a peach pushpin

quarto-sciposter: scientific posters from Quarto markdown
5 min
rstats
quarto
Aug 17, 2026

rmd2qmd hex logo

rmd2qmd: migrating legacy R Markdown to Quarto
2 min
rstats
quarto
Jul 26, 2026

A Shiny Creel Scheduler
5 min
rstats
May 8, 2015

Permutational multivariate analysis of variance using distance matrices (adonis)
11 min
rstats
Nov 24, 2014

Using geom_blank for better axis ranges in ggplot
3 min
rstats
Aug 24, 2014

Simulating angler survey data
24 min
rstats
Jul 30, 2014

Plotting smooth surfaces on NMDS plots with ggplot
14 min
rstats
Jun 30, 2014

A few of my favorite themes
7 min
rstats
Jun 10, 2014

Multiple plots in ggplot2
11 min
rstats
May 7, 2014

Plotting NMDS plots with ggplot2
15 min
rstats
Apr 13, 2014

Models by a factor
23 min
rstats
Apr 8, 2014

Plotting igraph objects with ggplot2
20 min
rstats
Apr 4, 2014
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