Ternary Plots in R using Plotly
[This article was first published on R – Modern Data, and kindly contributed to R-bloggers]. (You can report issue about the content on this page here)
Want to share your content on R-bloggers? click here if you have a blog, or here if you don't.
Plotly now supports ternary plots ! and in this post we’ll showcase how to make such charts in R.
Want to share your content on R-bloggers? click here if you have a blog, or here if you don't.
library(plotly)
library(jsonlite)
URL <- "https://gist.githubusercontent.com/davenquinn/988167471993bc2ece29/raw/f38d9cb3dd86e315e237fde5d65e185c39c931c2/data.json"
ds <- fromJSON(txt = "URL")
colors = c('#8dd3c7','#ffffb3','#bebada',
'#fb8072','#80b1d3','#fdb462',
'#b3de69','#fccde5','#d9d9d9',
'#bc80bd','#ccebc5','#ffed6f')
Markers
p <- plot_ly()
for(i in 1:length(ds)){
p <- add_trace(p, data = ds[[i]], a = clay, b = sand, c = silt,
type = "scatterternary",
mode = "markers",
evaluate = T,
line = list(color = "black"))
}
p <- layout(p, title ="", showlegend = F,
xaxis = list(title = "", showgrid = F, zeroline = F, showticklabels = F),
yaxis = list(title = "", showgrid = F, zeroline = F, showticklabels = F),
sum = 100,
ternary = list(
aaxis = list(title = "Clay", tickformat = ".0%", tickfont = list(size = 10)),
baxis = list(title = "Sand", tickformat = ".0%", tickfont = list(size = 10)),
caxis = list(title = "Silt", tickformat = ".0%", tickfont = list(size = 10))),
annotations = list(
list(xref = "paper", yref = "paper", align = "center",
x = 0.1, y = 1, text = "Ternary Plot in R
(Markers)", ax = 0, ay = 0,
font = list(family = "serif", size = 15, color = "white"),
bgcolor = "#b3b3b3", bordercolor = "black", borderwidth = 2)))
p
Lines
p <- plot_ly()
for(i in 1:length(ds)){
p <- add_trace(p, data = ds[[i]], a = clay, b = sand, c = silt,
type = "scatterternary",
mode = "lines",
evaluate = T,
line = list(color = "black"))
}
p <- layout(p, title ="", showlegend = F,
xaxis = list(title = "", showgrid = F, zeroline = F, showticklabels = F),
yaxis = list(title = "", showgrid = F, zeroline = F, showticklabels = F),
sum = 100,
ternary = list(
aaxis = list(title = "Clay", tickformat = ".0%", tickfont = list(size = 10)),
baxis = list(title = "Sand", tickformat = ".0%", tickfont = list(size = 10)),
caxis = list(title = "Silt", tickformat = ".0%", tickfont = list(size = 10))),
annotations = list(
list(xref = "paper", yref = "paper", align = "center",
x = 0.1, y = 1, text = "Ternary Plot in R
(Lines)", ax = 0, ay = 0,
font = list(family = "serif", size = 15, color = "white"),
bgcolor = "#b3b3b3", bordercolor = "black", borderwidth = 2)))
p
Contour
p <- plot_ly()
for(i in 1:length(ds)){
p <- add_trace(p, data = ds[[i]], a = clay, b = sand, c = silt,
type = "scatterternary",
mode = "lines",
fill = "toself",
fillcolor = colors[i],
evaluate = T,
line = list(color = "black"))
}
p <- layout(p, title ="", showlegend = F,
xaxis = list(title = "", showgrid = F, zeroline = F, showticklabels = F),
yaxis = list(title = "", showgrid = F, zeroline = F, showticklabels = F),
sum = 100,
ternary = list(
aaxis = list(title = "Clay", tickformat = ".0%", tickfont = list(size = 10)),
baxis = list(title = "Sand", tickformat = ".0%", tickfont = list(size = 10)),
caxis = list(title = "Silt", tickformat = ".0%", tickfont = list(size = 10))),
annotations = list(
list(xref = "paper", yref = "paper", align = "center",
x = 0.1, y = 1, text = "Ternary Plot in R
(Contour)", ax = 0, ay = 0,
font = list(family = "serif", size = 15, color = "white"),
bgcolor = "#b3b3b3", bordercolor = "black", borderwidth = 2)))
p
To leave a comment for the author, please follow the link and comment on their blog: R – Modern Data.
R-bloggers.com offers daily e-mail updates about R news and tutorials about learning R and many other topics. Click here if you're looking to post or find an R/data-science job.
Want to share your content on R-bloggers? click here if you have a blog, or here if you don't.