Thanks for your reply. It is a shiny app in a R markdown presentation. A reproducible example and session info are below:
---
title: "Reproducible Example"
author: "Matt Brigida"
date: "05/20/2015"
output: ioslides_presentation
runtime: shiny
smaller: true
---
## R Markdown Slide
```{r, warning=FALSE, echo=FALSE, message=FALSE}
inputPanel(
selectizeInput("phrase", "Message",
choices = list(
"The message received. Hopefully viewed in a wide text box." = "Return this message.",
"Another message received." = "Return this.")
, width = '1000px')
)
renderPlot({
plot(c(0,0), type = 'n', ylab = "", xlab = "", xaxt = "n", yaxt = "n")
text(1.5, 0, input$phrase, cex = 2)
})
```
> sessionInfo()
R version 3.2.0 (2015-04-16)
Platform: x86_64-pc-linux-gnu (64-bit)
Running under: Debian GNU/Linux stretch/sid
locale:
[1] LC_CTYPE=en_US.UTF-8 LC_NUMERIC=C LC_TIME=en_US.UTF-8 LC_COLLATE=en_US.UTF-8
[5] LC_MONETARY=en_US.UTF-8 LC_MESSAGES=en_US.UTF-8 LC_PAPER=en_US.UTF-8 LC_NAME=C
[9] LC_ADDRESS=C LC_TELEPHONE=C LC_MEASUREMENT=en_US.UTF-8 LC_IDENTIFICATION=C
attached base packages:
[1] stats graphics grDevices utils datasets methods base
other attached packages:
[1] vimcom_1.1-0 setwidth_1.0-3 colorout_1.1-0
loaded via a namespace (and not attached):
[1] tools_3.2.0