R: Text entry field to manipulate a string variable
entry
R Documentation
Text entry field to manipulate a string variable
Description
entry creates a text entry field
twiddlerControl for manipulating a string
variable. The variable is updated on each keypress or
when the input focus enters or leaves the text field. See
the eval parameter for details.
The default string to display in the
entry, default to "".
label
The text label of the entry.
length
The length of the entry in characters,
defaults to 38.
eval
When to update the string variable
manipulated by this entry. Possible values for this
parameter are: "key" - update on every keystroke
(the default), "focus" - update when the entry
loses focus, or "return" - update when the return
key is pressed.
providing 
.