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如何從r markdown selectInput下拉菜單中提取選定的選項?我有我的網頁類似下面的反應輸入:從r Markdown selectInput(下拉菜單)中提取值/名稱
aggdata <- data.frame(
"Experiment" = c("One","Two","Three"),
"AnythingElse" = c(1,2,3)
)
selectInput("Experiment1","Choose the first experiment",
choices = unique(aggdata$Experiment),
selected = unique(aggdata$Experiment)[1])
reactiveData <- reactive(as.data.frame(subset(aggdata, Experiment == input$Experiment1)))
firstExperiment_aggData <- reactive(reactiveData())
而且我想某處寫入文本被動,什麼是用戶的選擇。你碰巧知道,我該怎麼做。提前謝謝了。
謝謝你,但實際上我使用r Markdown。我如何在Markdown中做到這一點? – martinkabe
它記錄在這裏非常確切:http://rmarkdown.rstudio.com/authoring_shiny_advanced.html 而這裏是另一個鏈接:http://rmarkdown.rstudio.com/authoring_shiny.html – nilsole
非常感謝你! ! – martinkabe