edit: I realized only changing the mutate to be mutate(y = lubridate::ymd_hms(timestamp)) resolves the issue in both cases. My new question would be why does this resolve the issue in dplyer mutate?

edit: I realized only changing the mutate to be mutate(y = lubridate::ymd_hms(timestamp)) resolves the issue in both cases. My new question would be why does this resolve the issue in dplyer mutate?

edit: I realized only changing the mutate to be mutate(y = lubridate::ymd_hms(timestamp)) resolves the issue in both cases. My new question would be why does this resolve the issue in dplyer mutate?

edit: I realized only changing the mutate to be mutate(y = lubridate::ymd_hms(timestamp)) resolves the issue in both cases. My new question would be why does this resolve the issue in dplyer mutate?