scatter - Write using mouse on R plot? -

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I type in the plot () function.

Using scatter gm is there any possibility of drawing on this graph?

I would like to add a straight line and get its parameters, but in my opinion abline () can be inconvenient (I

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Take a look at RStudio and this example: 

  Library (Manipulation) data = matrix (rnorm (20), ncol = 2) example & lt; - function (data, a, b) {plot (data [, 1], data [, 2]) abline (a = a, B = b)} manipulation (example (data, a, b), a = slider (-5, 5), b = slider (-5,5))   
 on this plot One no Line, and will allow you to slope and block it.  
 It was inspired by the example of this page:  
 Note that it requires RStudio to be installed (this For more information, go to  
  Locator  with other solutions in Base R. Can be done.

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