Pasting speed
Not sure of your exact use case, but maybe importing from the clipboard is an option. Choose Tools > DataLink > Import from Clipboard, and maybe you can import the clipboard contents into a 2D matrix?
You can learn more about DataLink here:
[url:ksc0gi1p]http://www.quantrix.com/r-doc-4-18-104[/url:ksc0gi1p]
Let me know if this is helpful.
-Mike