Cousera developing data products week3 assignment

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• Assignment: Week 3 Assignment
• Author: Makoto Sumie
• Date Created: 2026-07-21

plot_ly(
  data = mtcars,
  x = ~wt,
  y = ~mpg,
  type = "scatter",
  mode = "markers",
  color = ~factor(cyl),
  colors = c("blue", "red", "green"),
  text = ~paste("Model:", rownames(mtcars)),
  hoverinfo = "text+x+y"
) %>%
  layout(
    title = "Fuel Economy vs Vehicle Weight",
    xaxis = list(title = "Weight (1000 lbs)"),
    yaxis = list(title = "Miles per Gallon"),
    legend = list(title = list(text = "Cylinders"))
  )