Visualization with No Alt Text

Visualization with Alt Text

Scatterplot showing how flipper and bill length differ across three species of penguins. Gentoo penguins typically have the longest flipper length with values ranging between 210-230mm. Adelie and Chinstrap have flipper lengths ranging between 180-210mm. Chinstrap and Gentoo have longer bill lengths with an average of around 50mm and Adelie penguins have bill lengths ranging between 35-45mm.

Accessible Visualization

Accessible Visualization with Export Options

Sonification of Points

Sonification of Line Graphs

Acknowledgements

Thanks to Mara Averick for her detailed blog posts on incorporating accessibility into Highcharter, which inspired this module, mrjoh3 for the github issue that helped me determine which older version of Highcharter to use for accessibility, and the team behind Highcharts and Highcharter for adding such awesome and heavily researched accessibility features.

---
title: "Non-Visual Visualizations Demo"
author: "Lauren Milne"
output: 
  html_document:
    df_print: paged
    code_download: true
    theme: cerulean
---

```{r setup, include=FALSE}
knitr::opts_chunk$set(echo = FALSE, error = TRUE, tidy = FALSE, message = FALSE, warning = FALSE, cache.extra = packageVersion("tufte"))
library(tidyverse)
library(ggplot2)
library(babynames)
library(htmltools)
library(highcharter)
```

# Visualization with No Alt Text

```{r}
data(penguins, package = "palmerpenguins") 

penguins %>% 
  ggplot(aes(x = flipper_length_mm, y = bill_length_mm, color = species)) +
  geom_point() + 
  labs(title = "How do flipper and bill length compare between penguin species?", x = "Flipper Length (mm)", y = "Bill Length (mm)")
```

# Visualization with Alt Text

```{r fig.alt = "Scatterplot showing how flipper and bill length differ across three species of penguins. Gentoo penguins typically have the longest flipper length with values ranging between 210-230mm. Adelie and Chinstrap have flipper lengths ranging between 180-210mm. Chinstrap and Gentoo have longer bill lengths with an average of around 50mm and Adelie penguins have bill lengths ranging between 35-45mm."}
data(penguins, package = "palmerpenguins") 

penguins %>% 
  ggplot(aes(x = flipper_length_mm, y = bill_length_mm, color = species)) +
  geom_point() + 
  labs(title = "How do flipper and bill length compare between penguin species?", x = "Flipper Length (mm)", y = "Bill Length (mm)")
```

# Accessible Visualization

```{r}
hchart( 
  penguins,
  "scatter",
  hcaes(x = flipper_length_mm, y = bill_length_mm, group = species)) %>% 
  hc_title(text = "How do flipper and bill length compare between penguin species?") %>% 
  hc_xAxis(title = list(text = "Flipper Length (mm)")) %>%
  hc_yAxis(title = list(text = "Bill Length (mm)"))
```


# Accessible Visualization with Export Options {-}

```{r}

PopularNames <- babynames %>%
  filter(sex == "F") %>%
  group_by(name) %>%
  summarize(total = sum(n)) %>%
  arrange(desc(total)) %>%
  head(10)

  hchart(PopularNames, "column", hcaes(x = name, y = total), 
    accessibility = list(
      enabled = TRUE,
      keyboardNavigation = list(enabled = TRUE))) %>%
  hc_exporting(
    enabled = TRUE,
    accessibility = list(enabled = TRUE)) %>% 
  hc_yAxis(title = list(text = "Number of Babies"),
           accessibility = list(description = "Babies Count",
                                range = "0 to 4.5 million"))%>%
  hc_xAxis(title = list(text = "Name")) %>%
  hc_add_dependency(name = "modules/accessibility.js") %>%
  hc_add_dependency(name = "modules/exporting.js") %>%
  hc_add_dependency(name = "modules/export-data.js") 
```


# Sonification of Points 

```{r}
PopularNames %>% 
  hchart("point", hcaes(x = name, y = total),    
         accessibility = list(
           enabled = TRUE,
           keyboardNavigation = list(enabled = TRUE))) %>%
  hc_exporting(
    enabled = TRUE,
    accessibility = list(enabled = TRUE)) %>%
  hc_plotOptions(
    series = list(
      point = list( # note that the click function is inside series>point>events
        events = list(
          click = JS("function() {
          this.sonify({
            instruments: [{
                instrument: 'sine',
                instrumentMapping: {
                    volume: 0.8,
                    duration: 250,
                    pan: 'x',
                    frequency: 'y'
                },
                // Start at C5 note, end at C6
                instrumentOptions: {
                    minFrequency: 520,
                    maxFrequency: 1050
                }
            }]
        })
       }"))))) %>%
  hc_add_dependency(name = "modules/sonification.js") %>%
  hc_add_dependency(name = "modules/accessibility.js") %>%
  hc_add_dependency(name = "modules/exporting.js") %>%
  hc_add_dependency(name = "modules/export-data.js") 
```

# Sonification of Line Graphs 

```{r}
babynames %>% 
  filter(sex == "F", name %in% c("Lauren", "Emma", "James", "Peter")) %>% 
  hchart("line", hcaes(x= year, y = n, group = name)) %>% 
  hc_title(text = "How many female U.S. babies were named Lauren, Emma, James and Peter over the last 150 years?") %>% 
    hc_plotOptions(
      series = list( # note that the click function is inside series>events
        events = list(
          click = JS("function() {
          this.sonify({
            duration: 3000,
            pointPlayTime: 'x',
            instruments: [{
                instrument: 'triangleMajor',
                instrumentMapping: {
                    volume: 0.8,
                    duration: 250,
                    pan: 'x',
                    frequency: 'y'
                },
                // Start at C5 note, end at C6
                instrumentOptions: {
                    minFrequency: 120,
                    maxFrequency: 350
                }
            }]
          })
         }")))) %>%
  hc_add_dependency(name = "modules/sonification.js")
```

```{r}
PopularFemaleNames <- babynames %>% 
  filter(sex == "F") %>% 
  group_by(year) %>% 
  slice_max(1)


PopularFemaleNames %>% 
  hchart("line", hcaes(x= year, y = n, group = name)) %>% 
  hc_title(text = "Most popular name each year") %>% 
  hc_subtitle(text = "For babies born in the U.S. and assigned the female sex at birth") %>% 
    hc_plotOptions(
      series = list(
        events = list(
          click = JS("function() {
          this.sonify({
            duration: 3000,
            pointPlayTime: 'x',
            instruments: [{
                instrument: 'sineMajor',
                instrumentMapping: {
                    volume: 0.8,
                    duration: 250,
                    pan: 'x',
                    frequency: 'y'
                },
                // Start at C5 note, end at C6
                instrumentOptions: {
                    minFrequency: 120,
                    maxFrequency: 350
                }
            }]
          })
         }")))) %>%
  hc_add_dependency(name = "modules/sonification.js")
```

# Acknowledgements {-}

Thanks to Mara Averick for her detailed [blog posts on incorporating accessibility into Highcharter](https://dataand.me/posts/2021-11-10-adventures-with-the-highcharts-accessibility-module-part-1/#d-footnote-1), which inspired this module, mrjoh3 for the [github issue that helped me determine which older version of Highcharter to use for accessibility](https://github.com/jbkunst/highcharter/issues/7780), and the team behind Highcharts and Highcharter for adding such awesome and heavily researched accessibility features.
