change_data: Change Data

In JohnCoene/g2r: Grammar of Graphics for Interactive Visualisations

Description

Change the data displayed on the chart.

Usage

change_data(proxy, data, ..., figures = NULL)

Arguments

proxy	A g2r proxy as returned by g2Proxy
data	A data.frame or tibble
...	Bare names of column to select.
figures	Index of figures to apply the change to.

Note

The variable names must be identical to the initial data.

Examples

library(shiny)

.make_data <- function(){
  dplyr::tibble(
    x = 1:20,
    y = runif(20)
  )
}

ui <- fluidPage(
  fluidRow(
    column(10, g2Output("chart")),
    column(2, actionButton("chg", "chg"))
  )
)

server <- function(input, output, session) {
  output$chart <- renderG2({
    g2(.make_data(), asp(x, y)) %>% 
      fig_point()
  })

  observeEvent(input$chg, {
    g2Proxy("chart") %>% 
      change_data(.make_data(), x, y)
  })
}

## Not run: shinyApp(ui, server)

JohnCoene/g2r documentation built on March 6, 2021, 8:11 p.m.