Nothing
xx_mod_ui <- function(id) {
ns <- NS(id)
tagList(
sidebarPanel(
selectInput(ns("xcol"), "X Variable", names(iris)),
selectInput(ns("ycol"), "Y Variable", names(iris),
selected = names(iris)[[2]]
),
numericInput(ns("clusters"), "Cluster count", 3,
min = 1, max = 9
)
),
mainPanel(
plotOutput(ns("plot1"))
)
)
}
# xx_mod <- function(input, output, session){
# output$plot1 <- renderPlot({
# plot(iris)
# })
# }
xx_mod_server <- function(input, output, session) {
# Combine the selected variables into a new data frame
selectedData <- reactive({
iris[, c(input$xcol, input$ycol)]
})
clusters <- reactive({
kmeans(selectedData(), input$clusters)
})
output$plot1 <- renderPlot({
palette(c(
"#E41A1C", "#377EB8", "#4DAF4A", "#984EA3",
"#FF7F00", "#FFFF33", "#A65628", "#F781BF", "#999999"
))
par(mar = c(5.1, 4.1, 0, 1))
plot(selectedData(),
col = clusters()$cluster,
pch = 20, cex = 3
)
points(clusters()$centers, pch = 4, cex = 4, lwd = 4)
})
}
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