LaTeX Typesetting in R Graphs in R

How to add LaTeX to R graphs.

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LaTeX Typesetting

library(plotly)
fig <- plot_ly(
    x = c(1, 2, 3, 4), 
    y = c(1, 4, 9, 16),
    name = TeX("\\alpha_{1c} = 352 \\pm 11 \\text{ km s}^{-1}"))
fig <- fig %>% add_trace(
    x = c(1, 2, 3, 4), 
    y = c(0.5, 2, 4.5, 8),
    name = TeX("\\beta_{1c} = 25 \\pm 11 \\text{ km s}^{-1}"))
fig <- fig %>% layout(
    xaxis = list(
      title = TeX("\\sqrt{(n_\\text{c}(t|{T_\\text{early}}))}")),
    yaxis = list(
      title = TeX("d, r \\text{ (solar radius)}")))
fig <- fig %>% config(mathjax = 'cdn')

fig

Reference

For more information about LaTeX, click here.

What About Dash?

Dash for R is an open-source framework for building analytical applications, with no Javascript required, and it is tightly integrated with the Plotly graphing library.

Learn about how to install Dash for R at https://dashr.plot.ly/installation.

Everywhere in this page that you see fig, you can display the same figure in a Dash for R application by passing it to the figure argument of the Graph component from the built-in dashCoreComponents package like this:

library(plotly)

fig <- plot_ly() 
# fig <- fig %>% add_trace( ... )
# fig <- fig %>% layout( ... ) 

library(dash)
library(dashCoreComponents)
library(dashHtmlComponents)

app <- Dash$new()
app$layout(
    htmlDiv(
        list(
            dccGraph(figure=fig) 
        )
     )
)

app$run_server(debug=TRUE, dev_tools_hot_reload=FALSE)