People are doing all sorts of great things with Scala.

Scala Notebooks, which can be classified as a learning resource https://github.com/n8han/scala-notebook/ - It is an in-work conversion of iPython notebooks using d3 instead of matplotlib.

Another great analysis resource is Saddle, a scala data munging library (analogous to pandas, around the 0.8 revision). http://saddle.github.io/