Publications by Harold Nelson

Themes

26.09.2022

Themes Harold Nelson 2022-09-26 Setup library(ggthemes) library(tidyverse) ## ── Attaching packages ─────────────────────────────────────── tidyverse 1.3.2 ── ## ✔ ggplot2 3.3.6 ✔ purrr 0.3.4 ## ✔ tibble 3.1.8 ✔ dplyr 1.0.10 ## ✔ tidy...

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Two Categorical Variables

03.10.2022

Two Categorical Variables Harold Nelson 10/3/2022 Setup library(tidyverse) ## ── Attaching packages ─────────────────────────────────────── tidyverse 1.3.2 ── ## ✔ ggplot2 3.3.6 ✔ purrr 0.3.4 ## ✔ tibble 3.1.8 ✔ dplyr 1.0.10 ## ✔ tidy...

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Two Categorical Variables

03.10.2022

Two Categorical Variables Harold Nelson 10/3/2022 Setup library(tidyverse) ## ── Attaching packages ─────────────────────────────────────── tidyverse 1.3.2 ── ## ✔ ggplot2 3.3.6 ✔ purrr 0.3.4 ## ✔ tibble 3.1.8 ✔ dplyr 1.0.10 ## ✔ tidy...

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Models and Visualization

09.10.2022

Models and Visualization Harold Nelson 2022-10-08 Models and Visualization The material in Healy’s Chapter 6 requires more background in statistical models than most of you have. Ss an alternative, I want you to read Chapter 5 of the ModernDive text. https://moderndive.com/5-regression.html After this, I’ll get into a simplified version of ...

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Identify Outliers

21.10.2022

Identify Outliers Harold Nelson 2022-10-11 This is a follow-up to “Models and Visualization”. Setup library(tidyverse) ## ── Attaching packages ─────────────────────────────────────── tidyverse 1.3.2 ── ## ✔ ggplot2 3.3.6 ✔ purrr 0.3.4 ## ✔ ...

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Cleveland and Choropleth

24.10.2022

Cleveland and Choropleth Harold Nelson 2022-10-23 Setup library(tidyverse) ## ── Attaching packages ─────────────────────────────────────── tidyverse 1.3.2 ── ## ✔ ggplot2 3.3.6 ✔ purrr 0.3.4 ## ✔ tibble 3.1.8 ✔ dplyr 1.0.10 ## ✔ tidy...

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Variable Hunt

29.10.2022

Variable Hunt Harold Nelson 2022-10-29 library(tidyverse) ## ── Attaching packages ─────────────────────────────────────── tidyverse 1.3.2 ── ## ✔ ggplot2 3.3.6 ✔ purrr 0.3.4 ## ✔ tibble 3.1.8 ✔ dplyr 1.0.10 ## ✔ tidyr 1.2.1 �...

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Choropleth Issues

31.10.2022

Choropleth Issues Harold Nelson 2022-10-31 Setup library(tidyverse) ## ── Attaching packages ─────────────────────────────────────── tidyverse 1.3.2 ── ## ✔ ggplot2 3.3.6 ✔ purrr 0.3.4 ## ✔ tibble 3.1.8 ✔ dplyr 1.0.10 ## ✔ tidyr ...

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Calculator Versus R

04.11.2022

Why? What? This is based on a collection of videos provided by Openintro.org. They are available on youtube at https://www.youtube.com/playlist?list=PLkIselvEzpM7N8zVRRUl7V8aTdoTsJ919. Each video demonstrates the use of a TI calculator in performing a typical task for an introductory statistics course. After each video, I have placed a link to on...

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Color

06.11.2022

Color Harold Nelson 2022-11-06 Intro We will follow Chapter 12 of Winston Chang’s Graphics Cookbook closely. It is at https://r-graphics.org/chapter-colors. Setup Get the packages we need. library(tidyverse) ## ── Attaching packages ───────────────────────────────────�...

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