survey_difftime | R Documentation |
Check in-between surveys time
survey_difftime(.tbl, start, end, ..., new_colname = "survey_difftime")
.tbl |
A tibble |
start |
Start column (unquoted) |
end |
End column (unquoted) |
... |
The columns to group by, usually a locality or an enumerator id |
new_colname |
The new column name of the time difference |
Note: it is necessary to have 'start' and 'end' columns with no NA
A tibble with ... removed
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