sliderInput
sliderInput(inputId, label, min, max, value, step = NULL, round = FALSE,
format = NULL, locale = NULL, ticks = TRUE, animate = FALSE,
width = NULL, sep = ",", pre = NULL, post = NULL, timeFormat = NULL,
timezone = NULL, dragRange = TRUE)
animationOptions(interval = 1000, loop = FALSE, playButton = NULL,
pauseButton = NULL)
Arguments
inputId | The input slot that will be used to access the value. |
---|---|
label | Display label for the control, or NULL for no label. |
min | The minimum value (inclusive) that can be selected. |
max | The maximum value (inclusive) that can be selected. |
value | The initial value of the slider. A numeric vector of length one
will create a regular slider; a numeric vector of length two will create a
double-ended range slider. A warning will be issued if the value doesn't
fit between min and max . |
step | Specifies the interval between each selectable value on the
slider (if NULL , a heuristic is used to determine the step size). If
the values are dates, step is in days; if the values are times
(POSIXt), step is in seconds. |
round | TRUE to round all values to the nearest integer;
FALSE if no rounding is desired; or an integer to round to that
number of digits (for example, 1 will round to the nearest 10, and -2 will
round to the nearest .01). Any rounding will be applied after snapping to
the nearest step. |
format | Deprecated. |
locale | Deprecated. |
ticks | FALSE to hide tick marks, TRUE to show them
according to some simple heuristics. |
animate | TRUE to show simple animation controls with default
settings; FALSE not to; or a custom settings list, such as those
created using animationOptions . |
width | The width of the input, e.g. '400px' , or '100%' ;
see validateCssUnit . |
sep | Separator between thousands places in numbers. |
pre | A prefix string to put in front of the value. |
post | A suffix string to put after the value. |
timeFormat | Only used if the values are Date or POSIXt objects. A time
format string, to be passed to the Javascript strftime library. See
https://github.com/samsonjs/strftime for more details. The allowed
format specifications are very similar, but not identical, to those for R's
strftime function. For Dates, the default is "%F"
(like "2015-07-01" ), and for POSIXt, the default is "%F %T"
(like "2015-07-01 15:32:10" ). |
timezone | Only used if the values are POSIXt objects. A string
specifying the time zone offset for the displayed times, in the format
"+HHMM" or "-HHMM" . If NULL (the default), times will
be displayed in the browser's time zone. The value "+0000" will
result in UTC time. |
dragRange | This option is used only if it is a range slider (with two
values). If TRUE (the default), the range can be dragged. In other
words, the min and max can be dragged together. If FALSE , the range
cannot be dragged. |
interval | The interval, in milliseconds, between each animation step. |
loop | TRUE to automatically restart the animation when it
reaches the end. |
playButton | Specifies the appearance of the play button. Valid values
are a one-element character vector (for a simple text label), an HTML tag
or list of tags (using tag and friends), or raw HTML (using
HTML ). |
pauseButton | Similar to playButton , but for the pause button. |
Description
Constructs a slider widget to select a numeric value from a range.
Examples
## Only run examples in interactive R sessions
if (interactive()) {
ui <- fluidPage(
sliderInput("obs", "Number of observations:",
min = 0, max = 1000, value = 500
),
plotOutput("distPlot")
)
# Server logic
server <- function(input, output) {
output$distPlot <- renderPlot({
hist(rnorm(input$obs))
})
}
# Complete app with UI and server components
shinyApp(ui, server)
}
See also
Other input.elements: actionButton
,
checkboxGroupInput
,
checkboxInput
, dateInput
,
dateRangeInput
, fileInput
,
numericInput
, passwordInput
,
radioButtons
, selectInput
,
submitButton
, textAreaInput
,
textInput