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Ternary Plots in R

How to create ternary plots in R with Plotly.

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library(plotly)
packageVersion('plotly')
## [1] '4.7.0'

Basic Ternary Plot with Markers

library(plotly)

journalist <- c(75,70,75,5,10,10,20,10,15,10,20)
developer <- c(25,10,20,60,80,90,70,20,5,10,10)
designer <- c(0,20,5,35,10,0,10,70,80,80,70)
label <- c('point 1','point 2','point 3','point 4','point 5','point 6',
           'point 7','point 8','point 9','point 10','point 11')


df <- data.frame(journalist,developer,designer,label)

# axis layout
axis <- function(title) {
  list(
    title = title,
    titlefont = list(
      size = 20
    ),
    tickfont = list(
      size = 15
    ),
    tickcolor = 'rgba(0,0,0,0)',
    ticklen = 5
  )
}


p <- df %>% 
  plot_ly() %>%
  add_trace(
    type = 'scatterternary',
    mode = 'markers',
    a = ~journalist,
    b = ~developer,
    c = ~designer,
    text = ~label,
    marker = list( 
      symbol = 100,
      color = '#DB7365',
      size = 14,
      line = list('width' = 2)
    )
  ) %>% 
  layout(
    title = "Simple Ternary Plot with Markers",
    ternary = list(
      sum = 100,
      aaxis = axis('Journalist'),
      baxis = axis('Developer'),
      caxis = axis('Designer')
    )
  )

# Create a shareable link to your chart
# Set up API credentials: https://plot.ly/r/getting-started
chart_link = api_create(p, filename="ternary/basic")
chart_link

Reference

See https://plot.ly/r/reference/#scatterternary for more information and options!

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