d3heatmapOutput: Wrapper functions for using d3heatmap in shiny

In d3heatmap: Interactive Heat Maps Using 'htmlwidgets' and 'D3.js'

Description

Use d3heatmapOutput to create a UI element, and renderD3heatmap to render the heatmap.

Usage

d3heatmapOutput(outputId, width = "100%", height = "400px")

renderD3heatmap(expr, env = parent.frame(), quoted = FALSE)

Arguments

outputId	Output variable to read from
width, height	The width and height of the map (see shinyWidgetOutput)
expr	An expression that generates a d3heatmap object
env	The environment in which to evaluate expr
quoted	Is expr a quoted expression (with quote())? This is useful if you want to save an expression in a variable.

Examples

library(d3heatmap)
library(shiny)

ui <- fluidPage(
  h1("A heatmap demo"),
  selectInput("palette", "Palette", c("YlOrRd", "RdYlBu", "Greens", "Blues")),
  checkboxInput("cluster", "Apply clustering"),
  d3heatmapOutput("heatmap")
)

server <- function(input, output, session) {
  output$heatmap <- renderD3heatmap({
    d3heatmap(
      scale(mtcars),
      colors = input$palette,
      dendrogram = if (input$cluster) "both" else "none"
    )
  })
}

shinyApp(ui, server)

  

d3heatmap documentation built on May 2, 2019, 5:42 a.m.