Mutahi Wachira

icon indicating an email [email protected]

icon location Johannesburg, South Africa icon location Software developer specialising in R/Shiny dashboards and data science apps.

Results 3 comments of Mutahi Wachira

Function working outside list, but not inside

In short, what's happening is that when you supply a list to map, it triggers a chain of functions which ultimately invoke pluck. Pluck doesn't like purrr's `~` notation. If...

benchmark feedback

> By the way, in my experience arrow is considerably faster than dplyr in basically all constellations, which curiously is not reflected in the data.table benchmarks (https://h2oai.github.io/db-benchmark/). The H2O benchmarks...

`mutate(.by_row =)`, `reframe(.by_row =)`, and possibly `filter(.by_row =)`

#6903 describes a problem and use case I encountered for `rowwise` with `reframe`. I hope it is useful in this discussion too. For what it's worth, I don't favour the...