在闪亮的应用程序中将 ggplot 对象转换为 plotly [英] Convert ggplot object to plotly in shiny application
本文介绍了在闪亮的应用程序中将 ggplot 对象转换为 plotly的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
I am trying to convert a ggplot object to plotly and show it in a shiny application. But I encountered an error "no applicable method for 'plotly_build' applied to an object of class "NULL""
I was able to return the ggplot object to the shiny application successfully,
output$plot1 <- renderplot({
gp <- ggplot(data = mtcars, aes(x = disp, y = cyl)) + geom_smooth(method = lm, formula = y~x) + geom_point() + theme_gdocs()
})
but somehow plotly cannot convert it.
My code looks like this
output$plot2 <- renderplotly({
gp <- ggplot(data = mtcars, aes(x = disp, y = cyl)) + geom_smooth(method = lm, formula = y~x) + geom_point() + theme_gdocs()
ggplotly()
})
解决方案
Try:
library(shiny)
library(ggplot2)
library(ggthemes)
library(plotly)
ui <- fluidPage(
titlePanel("Plotly"),
sidebarLayout(
sidebarPanel(),
mainPanel(
plotlyOutput("plot2"))))
server <- function(input, output) {
output$plot2 <- renderPlotly({
ggplotly(
ggplot(data = mtcars, aes(x = disp, y = cyl)) +
geom_smooth(method = lm, formula = y~x) +
geom_point() +
theme_gdocs())
})
}
shinyApp(ui, server)
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