TPDeramus commented on issue #38473:
URL: https://github.com/apache/arrow/issues/38473#issuecomment-1781550569
I think the following would work:
`Terms <- DOI |> filter(treatment_flag == 0, comparator_flag == 0)|>
group_by(Participant) |> select(c("EMPI_Indexdt",starts_with("term_"))) |>
select(!contains("term_names")) |> mutate(across(starts_with("term_"), ~
coalesce(.x, 0))) |> summarise(across(select(starts_with("term_"), ~ sum)) |>
collect() |> as.data.frame()`
But that seems to throw:
```
Error: Error : Cannot infer type from vector
Call collect() first to pull data into R.
```
At the `summarize` phase.
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