Great, I though that project is frozen. And I am a big fan of ggplot2, often inside IPython Notebooks doing %%R just to use it. In any case: why "+", not chain

Great, I though that project is frozen. And I am a big fan of ggplot2, often inside IPython Notebooks doing %%R just to use it. In any case: why "+", not chaining? - more Pythonic (not important) - no namespace pollution (important) - cleaner code In any case, even ggvis is moving that way. (OK, more in a functional flavour, but effectively the same things as chaining.)