客观的说，因为用过Linux和Perl (C/C++),比较喜欢R；
听说R的作者要重新发明一个替代品。。。
下面是Dr。Haksun Li的观点， 有意思，大家参考
Way too slow
Must interpret the code line-by-line
Limited memory
How to read and process gigabytes of tick-by-tick data
Limited parallelization
Cannot calibrate/simulate a strategy in many scenarios in parallel
Inconvenient editing
No usage, rename, auto import, auto-completion
Primitive debugging tools
No conditional breakpoint, disable, thread switch and resume
Obsolete C-like language
No interface, inheritance; how to define ?
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