> On 12 Jan 2018, at 04:09, muhammad ramzi <mramzi43 at gmail.com> wrote: > > Thank you very much this really helped me a lot . > So actually why would people learn R(other than personal interests ) if you can't really build anything that can be sold ? I'm sorry if I'm asking bad questions > Google with the phrase "opensource why" and start reading. Berend Hasselman