Bubble Maps in R
How to make a bubble chart and map in R.
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library(plotly)
packageVersion('plotly')
## [1] '4.5.2'
United States Bubble Map
library(plotly)
df <- read.csv('https://raw.githubusercontent.com/plotly/datasets/master/2014_us_cities.csv')
df$q <- with(df, cut(pop, quantile(pop)))
levels(df$q) <- paste(c("1st", "2nd", "3rd", "4th", "5th"), "Quantile")
df$q <- as.ordered(df$q)
g <- list(
scope = 'usa',
projection = list(type = 'albers usa'),
showland = TRUE,
landcolor = toRGB("gray85"),
subunitwidth = 1,
countrywidth = 1,
subunitcolor = toRGB("white"),
countrycolor = toRGB("white")
)
p <- plot_geo(df, locationmode = 'USA-states', sizes = c(1, 250)) %>%
add_markers(
x = ~lon, y = ~lat, size = ~pop, color = ~q, hoverinfo = "text",
text = ~paste(df$name, "<br />", df$pop/1e6, " million")
) %>%
layout(title = '2014 US city populations<br>(Click legend to toggle)', geo = g)
# Create a shareable link to your chart
# Set up API credentials: https://plot.ly/r/getting-started
chart_link = plotly_POST(p, filename="scattergeo/bubble")
chart_link