Group a planktonr_dat object by one or more variables

Source: R/verbs.R

This is an S3 method for dplyr::group_by that ensures planktonr_dat attributes are preserved and the object correctly becomes a grouped_df while retaining its planktonr_dat class.

# S3 method for class 'planktonr_dat'
group_by(.data, ..., .add = FALSE, .drop = dplyr::group_by_drop_default(.data))

Arguments

.data

A planktonr_dat object.

...

<data-masking> Variables to group by.

.add

When TRUE, add to the existing groups, otherwise start with new groups.

.drop

When TRUE, empty groups are dropped.

Value

A planktonr_dat object that is also a grouped_df, preserving original attributes.