checkboxGroupInput(inputId, label, choices, selected = NULL)

Creates a group of checkboxes. The widget sends the server a character vector that contains the values of the selected boxes.

Arguments

inputId The name to use to look up the value of the widget (as a character string)

label A label to display above the check boxes

choices A list of values. The widget will build a checkbox for each value of the list. If the list has names, these will be displayed next to the checkboxes. Otherwise the values themselves will be displayed.

selected The values that should initially be selected, if any.

Make this widget by copying the code in ui.R.