R has no debugger Python cannot do pure vectorization  But Matlab can do both
These are the words from a very well known quant I know who also has a PHD
I did not even mention the ability to code generate to C, C++ as well Simulink and Stateflow tools
Learn more why I use Matlab over R or Python
NOTE I now post my TRADING ALERTS into my personal FACEBOOK ACCOUNT and TWITTER. Don't worry as I don't post stupid cat videos or what I eat!