Creating Slide Presentations using Quarto
A Quick Introduction

Norberto E. Milla, Jr.

Prerequisites

The following applications must already be installed in your machines.

Slide background

You can add background to individual slides

Just add the following in the slide header {background-image=background.png}

Or to the entire slide deck by adding in the YAML the following attributes:

a multi-language, next generation version of R Markdown from Posit
includes dozens of new features and capabilities
can be used to create documents (HTML, pdf, Word), presentations (revealjs, beamer), Interactive HTML (shiny)
can be used to create websites, blogs, books

Use the Render button in the RStudio IDe to render the file and preview the output

Or if you prefer to automatically render everytime you save the file, you can check the Render on Save button

Columns

The Code

library(readxl)
library(tidyverse)

job <- read_excel("job posting.xlsx")

job |> 
  ggplot(aes(x = fct_reorder(Country, Stat),
             y = Stat,
             fill = Country)) +
  geom_col() +
  geom_text(vjust = 0.5,
            hjust = 1.2,
            size = 4,
            label = job$Stat) +
  labs(x = "Country",
       y = " ") +
  coord_flip() + 
  theme_classic() +
  theme(legend.position = "none")

The Output

Data Visualization

Interactive Graphics
Animated Graphics

code

library(plotly)

p <- iris |> 
  select(Sepal.Length, Petal.Length, Species) |> 
  ggplot(aes(x = Sepal.Length, 
             y = Petal.Length)) +
  geom_point(aes(color=Species)) +
  labs(x="Sepal Length",
       y="Petal Length") +
  theme_classic()

ggplotly(p)