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2700206715
* update 07_widgets example * improved documentation for submitButton (including a warnign section and an full-app example) * typo * update documentation based on Winton's feedback
44 lines
1.3 KiB
R
44 lines
1.3 KiB
R
library(shiny)
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# Define UI for dataset viewer application
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fluidPage(
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# Application title.
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titlePanel("More Widgets"),
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# Sidebar with controls to select a dataset and specify the
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# number of observations to view. The helpText function is
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# also used to include clarifying text. Most notably, the
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# inclusion of an actionButton defers the rendering of output
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# until the user explicitly clicks the button (rather than
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# doing it immediately when inputs change). This is useful if
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# the computations required to render output are inordinately
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# time-consuming.
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sidebarLayout(
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sidebarPanel(
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selectInput("dataset", "Choose a dataset:",
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choices = c("rock", "pressure", "cars")),
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numericInput("obs", "Number of observations to view:", 10),
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helpText("Note: while the data view will show only the specified",
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"number of observations, the summary will still be based",
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"on the full dataset."),
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actionButton("update", "Update View")
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),
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# Show a summary of the dataset and an HTML table with the
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# requested number of observations. Note the use of the h4
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# function to provide an additional header above each output
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# section.
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mainPanel(
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h4("Summary"),
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verbatimTextOutput("summary"),
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h4("Observations"),
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tableOutput("view")
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)
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)
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)
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