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Yes, that is correct. My question was about using the R programming language and its libraries rather than RStudio.

If you create a program that uses any of the GPL licensed R libraries, that program must also be GPL licensed [1].

Additionally, the GPL license prohibits using GPL licensed software in proprietary systems [2].

[1]: https://www.gnu.org/licenses/gpl-faq.html#IfLibraryIsGPL

[2]: https://www.gnu.org/licenses/gpl-faq.html#GPLInProprietarySy...

> Surely the IDE license does not affect the license of code written in the IDE?

Agreed. However, the R programming language and many of its libraries are GPL licensed.

Can someone elaborate how R can be legally used in to develop proprietary or commercial software? RStudio's website [1] lists all of this large companies that apparently use R.

[1]: https://www.rstudio.com/

R and its libraries are GPL licensed. Is there some corporate license available to prevent companies from being required to publish proprietary code that interacts with R? Or was the usage limited to to internal systems?

Part of that may stem from R and most (all?) of its libraries being licensed under GPL.

I'm a big fan of that kudos button! Very nice website and an interesting introduction to Rust.

How about a look into how much more money you spend by going out to lunch everyday?

I would argue that many Scientific Computing problems involve large amounts of data and/or computation.

Posted last week: https://news.ycombinator.com/item?id=6990570

"In general, as long as you’re staying largely inside the world of what I call “BOLS” (Block-Oriented, Lexically-Scoped) Languages, such as C, C++, VB, Java, C#, PHP, Lua, Python, Ruby or perl, you can in fact learn enough pidgin to get by very very quickly with this method. Granted, in those last three languages it will be obvious to experienced programmers that you’re writing inelegant code. But you can get by, is what I’m saying."

Just in those last three languages?