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> R took data frames from S, which was using the concept at least as early as 1991. And, according to its author, Pandas took data frames from R - where data f
by kgwgk 4y ago
> R took data frames from S, which was using the concept at least as early as 1991.
And, according to its author, Pandas took data frames from R - where data frames had been present from at least as early as 1997. (That part at least was true.)
- disgruntledphd2 4y agoBut were inherited from S, which was first released in 1973.
- kgwgk 4y agoS was first released in 1973 but data frames were added almost two decades later, as mentioned in another comment. They were reimplemeted -a few years later- in R and served as inspiration -a decade later- for pandas.
- disgruntledphd2 4y agoYeah, I know. Apologies I was on mobile, and didn't want to look up which S Book data.frames were in.