10.7 Plot types: Basic 2D

• Set with plot_ly(..., type = "scatter") (overview)
• 2D types: scatter, bar, box, heatmap, histogram, histogram2d, area, pie, contour

plot_ly(data = swiss, 
        x = swiss$Catholic, 
        y = swiss$Fertility, 
        type = "scatter", mode = "markers") %>%
  layout(title = "Scatterplot", 
         autosize = F, width = 300, height = 300)

## Warning: Specifying width/height in layout() is now deprecated.
## Please specify in ggplotly() or plot_ly()

d <- data.frame(x = c("SPD", "CDU", "Green"), y = c(40, 25, 37))
plot_ly(data = d, x = ~x, y = ~y, type = "bar") %>%
  layout(title = "Barplot", 
         autosize = F, width = 300, height = 300, 
         xaxis = list(title= "Voters"),
         yaxis = list(title= "N"))

## Warning: Specifying width/height in layout() is now deprecated.
## Please specify in ggplotly() or plot_ly()

plot_ly(data = swiss, y = ~Catholic, type = "box", name = "Catholic") %>% 
  add_trace(y = ~Education, type = "box", name = "Education") %>%
  layout(title = "Boxplot", 
         autosize = F, width = 300, height = 300)

## Warning: Specifying width/height in layout() is now deprecated.
## Please specify in ggplotly() or plot_ly()

plot_ly(z = volcano, type = "heatmap") %>%
  layout(title = "Heatmap", 
         autosize = F, width = 300, height = 300)

## Warning: Specifying width/height in layout() is now deprecated.
## Please specify in ggplotly() or plot_ly()

plot_ly(x = swiss$Catholic, type = "histogram") %>%
  layout(title = "Histogram", 
         autosize = F, width = 300, height = 300,
         xaxis = list(title = "Catholic %"),
         yaxis = list(title = "Density (abs.)")
         )

## Warning: Specifying width/height in layout() is now deprecated.
## Please specify in ggplotly() or plot_ly()

d <- data.frame(labels = c("SPD", "CDU", "Green"), values = c(40, 25, 37))
ax <- list(
  title = "",
  zeroline = FALSE,
  showline = FALSE,
  showticklabels = FALSE,
  showgrid = FALSE
)
plot_ly(d, labels = d$labels, values = d$values, type = "pie") %>%
  layout(title = "Pie Chart") %>%
  layout(autosize = F, width = 300, height = 300, xaxis = ax, yaxis = ax)

## Warning: Specifying width/height in layout() is now deprecated.
## Please specify in ggplotly() or plot_ly()

plot_ly(z = volcano, type = "contour") %>%
  layout(title = "Contour plot", 
         autosize = F, width = 300, height = 300)

## Warning: Specifying width/height in layout() is now deprecated.
## Please specify in ggplotly() or plot_ly()