Is there a way to have a numeric input without the selectors? Every time the slider is pressed, all calculation in my app occur, so it could get choked up by a user easily. Possibly use a text input and cast it as numeric maybe?
Any other ideas?
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2 Answers
You could use a textInput and have a reactive() that converts it to numeric so, for example, if numInput is the name of your textInput:
In server.R:
numConv <- reactive({as.numeric(input$numInput)})
Then anywhere that was referring to input$numInput change to numConv(). You can add any code you want the reactive, so you could do additional checks to make sure that the user is entering a valid input before it triggers all the other calculations in your app.
1 Comment
A_Skelton73
Yeah, that along the lines of what I was thinking too, thanks!
In your ui.R file, use inputs like the following:
shinyUI(pageWithSidebar(
sidebarPanel(
textInput("text", "Enter Text:", "Default Text"),
numericInput("num1", "Please Enter a Number:", 42)
)
))
Hope that helps.
