Why am I not being able to group_by

daily_activity_df %/%
group_by(Id)

tells me that "Id" is not found

The pipe operator is %>% or |>, not %/%. Try

daily_activity_df %>%
group_by(Id)

or, on recent versions of R

daily_activity_df |>
group_by(Id)
3 Likes

Thank you very much. It surely worked. Stupid me!!!)))

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