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stat2data's Introduction

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output: github_document
---

<!-- README.md is generated from README.Rmd. Please edit that file -->

```{r, echo = FALSE}
knitr::opts_chunk$set(
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# Stat2Data

The goal of Stat2Data is to provide datasets found in the second edition of Stat2: Modeling with Regression and ANOVA.
The package also has data sets from the first edition and some functions for producing diagnostic plots described in the text. 

## Installation

You can install Stat2Data from github with:

```{r gh-installation, eval = FALSE}
# install.packages("devtools")
devtools::install_github("statmanrobin/Stat2Data")
```

stat2data's People

Contributors

statmanrobin avatar

Stargazers

avatar Luis avatar Alvan Caleb Arulandu avatar Mark Andrews avatar

Watchers

James Cloos avatar avatar

Forkers

jkagaayi anhnguyendepocen olgaaaa91 drfaisal matthew-brett

stat2data's Issues

Better error messages for `emplogitplot2`

The function emplogitplot2 only works if the categorical variable you are providing is formatted as a factor. If not, you get the opaque error message

Error in eval(predvars, data, env) : object 'Logit' not found

For example, if we take the MedGPA data used in the documentation and transform Sex back into a character variable,

MedGPA <- MedGPA %>%
mutate(Sex = as.character(Sex))

Then running

emplogitplot2(Acceptance~GPA+Sex,data=MedGPA)

returns

Error in eval(predvars, data, env) : object 'Logit' not found

An error message like No factor variable found, please ensure your categorical variable is of the type factor would be much easier to interpret.

Distance in RailsTrails is in miles

I run into this every semester and always forget to submit an issue! The documentation for the RailsTrails dataset says the Distance to the nearest trail entrance is in feet, but the measurements are clearly in miles. Either the documentation or the data should be updated.

Leukamia

Perhaps it is late and I am not seeing things carefully but it seems like the Temp variable in the Leukamia dataset seems to be off (seems to be missing decimal points) both on the website and the R package. Just wanted to bring it to your attention.

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