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Shiny example: Diamonds Explorer
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library(shiny) | |
library(ggplot2) | |
shinyServer(function(input, output) { | |
dataset <- reactive({ | |
diamonds[sample(nrow(diamonds), input$sampleSize),] | |
}) | |
output$plot <- renderPlot({ | |
p <- ggplot(dataset(), aes_string(x=input$x, y=input$y)) + geom_point() | |
if (input$color != 'None') | |
p <- p + aes_string(color=input$color) | |
facets <- paste(input$facet_row, '~', input$facet_col) | |
if (facets != '. ~ .') | |
p <- p + facet_grid(facets) | |
if (input$jitter) | |
p <- p + geom_jitter() | |
if (input$smooth) | |
p <- p + geom_smooth() | |
print(p) | |
}, height=700) | |
}) |
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library(shiny) | |
library(ggplot2) | |
dataset <- diamonds | |
shinyUI(pageWithSidebar( | |
headerPanel("Diamonds Explorer"), | |
sidebarPanel( | |
sliderInput('sampleSize', 'Sample Size', min=1, max=nrow(dataset), | |
value=min(1000, nrow(dataset)), step=500, round=0), | |
selectInput('x', 'X', names(dataset)), | |
selectInput('y', 'Y', names(dataset), names(dataset)[[2]]), | |
selectInput('color', 'Color', c('None', names(dataset))), | |
checkboxInput('jitter', 'Jitter'), | |
checkboxInput('smooth', 'Smooth'), | |
selectInput('facet_row', 'Facet Row', c(None='.', names(dataset))), | |
selectInput('facet_col', 'Facet Column', c(None='.', names(dataset))) | |
), | |
mainPanel( | |
plotOutput('plot') | |
) | |
)) |
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