Create test.qmd

test.qmd

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+---
+title: "Diamonds Explorer"
+author: "Barkamian Analytics"
+format: dashboard
+server: shiny
+---
+
+```{r}
+#| context: setup
+library(ggplot2)
+dataset <- diamonds
+```
+
+# {.sidebar}
+
+```{r}
+sliderInput('sampleSize', 'Sample Size', 
+            min=1, max=nrow(dataset),
+            value=min(1000, nrow(dataset)), 
+            step=500, round=0)
+br()
+checkboxInput('jitter', 'Jitter')
+checkboxInput('smooth', 'Smooth')
+```
+
+```{r}
+selectInput('x', 'X', names(dataset)) 
+selectInput('y', 'Y', names(dataset), names(dataset)[[2]])
+selectInput('color', 'Color', c('None', names(dataset)))
+```
+
+```{r}
+selectInput('facet_row', 'Facet Row',
+  c(None='.', names(diamonds[sapply(diamonds, is.factor)])))
+selectInput('facet_col', 'Facet Column',
+  c(None='.', names(diamonds[sapply(diamonds, is.factor)])))
+```
+
+# Plot
+
+```{r}
+plotOutput('plot')
+```
+
+# Data
+
+```{r}
+tableOutput('data')
+```
+
+```{r}
+#| context: server
+
+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()
+  
+  p
+  
+})
+
+output$data <- renderTable({
+  dataset()
+})
+```