[gukjoon]

Not recommended. Matrix multiplication is really slow, even with Incanter. I doubt you'll get very far with data analysis without multiplying a few matrices so avoid.

[rabidsnail]

Slow compared to what? Numpy (or equivalent) or optimized fortran?

[gukjoon]

You know what? I realized that I didn't read the whole question. I switched from Octave, not Python. Oops.