Explain new options scaling_method and scaling_factor in Elements tutorial.
Explain new options scaling_method and scaling_factor in Elements tutorial.

vascotenner/holoviews,basnijholt/holoviews,ioam/holoviews,vascotenner/holoviews,basnijholt/holoviews,ioam/holoviews,vascotenner/holoviews,basnijholt/holoviews,ioam/holoviews