Specifying a plot title

[region-spotteR]

There is inconsistency in the documentation how to customize the plot title. In [the R complete reference documentation] it tells you specify a title by using list object with elements called text,color etc.
However the documentation on the project website still uses title="some string".

I am using R 3.5.2. and plotly 4.8. from CRAN. The way from the R reference documentation does not work for me...

plot_ly()%>%
  layout(
    title = list(text = 'sample plot', color = 'rgb(217,83,79)')
    ) %>%
  add_trace(x=1:7,y=round(runif(7)*7),type="scatter",mode="lines+marker")

...the title="some string" works though:

plot_ly()%>%
  layout(
    title = 'sample plot'
    ) %>%
  add_trace(x=1:7,y=round(runif(7)*7),type="scatter",mode="lines+marker")

I discovered the issue through by answering a question on stackoverflow

[cpsievert]

You won't be able to use layout.title.text until the R package upgrades to plotly.js 1.43 or higher

https://github.com/plotly/plotly.js/releases/tag/v1.43.0

#1450

[cpsievert]

Fixed now, although I think you want:

plot_ly()%>%
  layout(
    title = list(text = 'sample plot', font = list(color = 'rgb(217,83,79)'))
    ) %>%
  add_trace(x=1:7,y=round(runif(7)*7),type="scatter",mode="lines+marker")