Publications by Harold Nelson

Chapter 2 Notes

23.01.2023

Chapter 2 Notes Harold Nelson 2023-01-23 Setup Before you do anything else, create a new project in the existing folder Chapter 2. library(ggplot2) library(dplyr) ## ## Attaching package: 'dplyr' ## The following objects are masked from 'package:stats': ## ## filter, lag ## The following objects are masked from 'package:base': ## ## ...

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Basics of Dplyr

12.09.2022

Basics of Dplyr 2022-09-12 library(tidyverse) ## ── Attaching packages ─────────────────────────────────────── tidyverse 1.3.2 ── ## ✔ ggplot2 3.3.6 ✔ purrr 0.3.4 ## ✔ tibble 3.1.8 ✔ dplyr 1.0.9 ## ✔ tidyr 1.2.0 ✔ stringr 1.4.0 ##...

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ggplot2 1

19.09.2022

ggplot2 1 2022-09-18 Setup library(tidyverse) Grammar of Graphics A basic graph has three elements. The data, a dataframe A mapping to describe the relationships between visual attributes and variables in the dataframe. A geom to define the type of graphic. We will use the builtin dataframe iris for some basic example. Run glimpse to look at ...

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Height and Weight

19.09.2022

Height Weight Gender Harold Nelson 2022-09-19 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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Healy Chapter 4 Part 3

26.09.2022

Healy Chapter 4 Part 3 Harold Nelson 2022-09-26 Setup library(socviz) library(gapminder) library(tidyverse) ## ── Attaching packages ─────────────────────────────────────── tidyverse 1.3.1 ── ## ✓ ggplot2 3.3.5 ✓ purrr 0.3.4 ## ✓ tibble 3.1.6 ...

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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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