Publications by Harold Nelson
Demo 1
R Markdown This is an R Markdown document. Markdown is a simple formatting syntax for authoring HTML, PDF, and MS Word documents. For more details on using R Markdown see http://rmarkdown.rstudio.com. When you click the Knit button a document will be generated that includes both content as well as the output of any embedded R code chunks within the...
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RPubs Demo
Identify Outliers Harold Nelson 2022-10-11 This is a follow-up to “Models and Visualization”. Setup library(tidyverse) ## ── Attaching core tidyverse packages ──────────────────────── tidyverse 2.0.0 ── ## ✔ dplyr 1.1.4 ✔ readr 2.1.5 ## ✔ forcats 1.0.0 ✔ strin...
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Fertility for AI
Fertility for AI Harold Nelson 7/30/2024 Setup library(tidyverse) ## ── Attaching core tidyverse packages ──────────────────────── tidyverse 2.0.0 ── ## ✔ dplyr 1.1.4 ✔ readr 2.1.5 ## ✔ forcats 1.0.0 ✔ stringr 1.5.1 ## ✔ ggplot2 3.5.1 ✔ tibble 3.2.1 ...
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The Bootstrap
The Bootstrap Harold Nelson 2024-07-18 Intro I want to show you how to create a bootstrap distribution without using the infer package. Going through this should give you a clearer picture of the process. We’ll use the dataframe age_at_mar from the openintro package. Setup library(tidyverse) ## ── Attaching core tidyverse packages ──�...
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Normal Distribution Lab Walkthrough
Normal Distribution Lab Guide Harold Nelson 2024-07-14 Intro and Setup I will walk through the exercises in the lab using a different dataset, OAW2309. It contains weather records from the Olympia airport. library(tidyverse) ## ── Attaching core tidyverse packages ──────────────────────── tidyv...
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Shuffle and Difference
Shuffle and Difference Harold Nelson 2024-07-04 Setup library(tidyverse) ## ── Attaching core tidyverse packages ──────────────────────── tidyverse 2.0.0 ── ## ✔ dplyr 1.1.4 ✔ readr 2.1.5 ## ✔ forcats 1.0.0 ✔ stringr 1.5.1 ## ✔ ggplot2 3.5.1 ✔ tibble ...
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Scatterplot Failures
Scatterplot Saturation Harold Nelson 2024-06-25 Setup library(tidyverse) ## ── Attaching core tidyverse packages ──────────────────────── tidyverse 2.0.0 ── ## ✔ dplyr 1.1.4 ✔ readr 2.1.5 ## ✔ forcats 1.0.0 ✔ stringr 1.5.1 ## ✔ ggplot2 3.5.1 ✔ tibble ...
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Visualizing Categorical Pairs
Visualizing Categorical Pairs Harold Nelson 2024-06-10 Setup library(tidyverse) ## ── Attaching core tidyverse packages ──────────────────────── tidyverse 2.0.0 ── ## ✔ dplyr 1.1.4 ✔ readr 2.1.5 ## ✔ forcats 1.0.0 ✔ stringr 1.5.1 ## ✔ ggplot2 3.5.1 ✔ ti...
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Contingency Tables
Contingency Tables Harold Nelson 2024-06-04 Setup # install.packages("gmodels") # Just once library(gmodels) # Every Time load("comics.Rdata") CrossTable The method of constructing a contingency table given in the text is cumbersome and doesn’t give a convenient result. It is much better to use the CrossTable() function from the gm...
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Skimr
Skimr Harold Nelson 2024-06-04 Setup # install.packages("skimr") #Just once library(skimr) #Every Time load("comics.RData") Create Skimmed DF for comics skimmed = skim(comics) knitr::kable(skimmed) skim_type skim_variable n_missing complete_rate character.min character.max character.empty character.n_unique character.whitespace numer...
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