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Comment by holub008

20 hours ago

Agreed, as an R and polars user. The fundamental advantage R holds over other languages/libraries is expressions. The ability to reference columns directly AND interoperate with vectorized base ops in R is unfair. Of course, this super power is equally confusing to learners, fraught for production code, etc.

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holub008

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rtpg  11 hours ago

do you have a snippet of what this looks like in R?

  • latent-person  10 hours ago

    Not OP, but here is an example using tidyverse (I leave the meaning of it to you; should be clear without any R knowledge):

      purchases |>
    group_by(country) |>
    filter(amount <= median(amount) * 10) |>
    summarize(total = sum(amount - discount))