[lightoverhead]

I consider myself a data scientist in bioinformatics field. I have to deal with several hundred GB scale data everyday. IMO, the best tool kit so far is the combination of Perl and R. Because these tools have the richest packages/modules, you can do almost everything with them. As for python, I don't think it can deal with the data I have as efficient as Perl.

[Demiurge]

PDL or Perl?

[lightoverhead]

PDL is the Perl packages for numerical science. Unless you did a lot of mathematics computation, PDL is rarely used in my daily routine.