Mind giving an example ? The only time I faced this was due to an autoregressive model, which was super easy to delegate to c++. I've been working with Python

Mind giving an example ? The only time I faced this was due to an autoregressive model, which was super easy to delegate to c++. I've been working with Python for the last year and appreciate how much it helps with general IT problems, but I would still stick to R for statistical/data analysis.