How can I create interactive visualizations in R?

How can I create interactive visualizations in R?

You can use libraries like ggplot2 along with plotly or shiny to create interactive visualizations in R.

Can you give me an example of using plotly with ggplot2?

Sure! First, create a ggplot object, then use ggplotly() to convert it into an interactive plot. Here's a simple example:

library(ggplot2)
library(plotly)

p <- ggplot(mtcars, aes(x=wt, y=mpg)) + geom_point()

ggplotly(p)

What about using Shiny for interactive dashboards?

Shiny allows you to build interactive web applications. You can create a UI and server function to display your visualizations dynamically. Would you like a basic example?

Yes, please!

Here's a simple Shiny app example:

library(shiny)

ui <- fluidPage(
  titlePanel("Interactive Plot"),
  sidebarLayout(
    sidebarPanel(
      sliderInput("num", "Number of Points:", 1, 100, 50)
    ),
    mainPanel(
      plotOutput("scatterPlot")
    )
  )
)

server <- function(input, output) {
  output$scatterPlot <- renderPlot({
    plot(mtcars$wt[1:input$num], mtcars$mpg[1:input$num])
  })
}

shinyApp(ui = ui, server = server)