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Plotly R Library 1.0

library(plotly)
set.seed(100)
d <- diamonds[sample(nrow(diamonds), 1000), ]
plot_ly(d, x = carat, y = price, text = paste("Clarity: ", clarity),
        mode = "markers", color = carat, size = carat)

Plotly graphs are interactive. Click-drag to zoom, shift-click to pan, double-click to autoscale.

Know and love ggplot2? Try ggplotly

p <- ggplot(data = d, aes(x = carat, y = price)) +
  geom_point(aes(text = paste("Clarity:", clarity)), size = 4) +
  geom_smooth(aes(colour = cut, fill = cut)) + facet_wrap(~ cut)

(gg <- ggplotly(p))

Mix data manipulation and visualization verbs

Plotly objects are data frames with a class of plotly and an environment that tracks the mapping from data to visual properties.

str(p <- plot_ly(economics, x = date, y = uempmed))
## Classes 'plotly' and 'data.frame':   478 obs. of  6 variables:
##  $ date    : Date, format: "1967-06-30" "1967-07-31" ...
##  $ pce     : num  508 511 517 513 518 ...
##  $ pop     : int  198712 198911 199113 199311 199498 199657 199808 199920 200056 200208 ...
##  $ psavert : num  9.8 9.8 9 9.8 9.7 9.4 9 9.5 8.9 9.6 ...
##  $ uempmed : num  4.5 4.7 4.6 4.9 4.7 4.8 5.1 4.5 4.1 4.6 ...
##  $ unemploy: int  2944 2945 2958 3143 3066 3018 2878 3001 2877 2709 ...
##  - attr(*, "plotly_hash")= chr "7ff330ec8c566561765c62cbafed3e0f#2"

This allows us to mix data manipulation and visualization verbs in a pure(ly) functional, predictable and pipeable manner. Here, we take advantage of dplyr's filter() verb to label the highest peak in the time series:

p %>%
  add_trace(y = fitted(loess(uempmed ~ as.numeric(date)))) %>%
  layout(title = "Median duration of unemployment (in weeks)",
         showlegend = FALSE) %>%
  dplyr::filter(uempmed == max(uempmed)) %>%
  layout(annotations = list(x = date, y = uempmed, text = "Peak", showarrow = T))

3D WebGL and more

Although data frames can be thought of as the central object in this package, plotly visualizations don't actually require a data frame. This makes chart types that accept a z argument especially easy to use if you have a numeric matrix:

plot_ly(z = volcano, type = "surface")



Maps


Multiple Axes, Subplots, and Insets


Add Custom Controls with JavaScript

All Plotly charts have click, hover and zoom events exposed to add custom controls with Plotly's JavaScript postMessage API.



Using Offline

Plotly is a web-connected service by default, but can also work entirely offline within RStudio, IPython notebook, and MATLAB.