Creates and adds columns date and doy (day-of-year) to the data source
(either data frame or database table naturecounts).
Usage
format_dates(df_db, overwrite = FALSE)
Arguments
- df_db
Either data frame or a connection to database with
naturecounts table. Must have fields/columns of survey_year,
survey_month, survey_day
- overwrite
Logical. Overwrite existing columns date and/or doy?
Value
If df_dbwas a data frame, return a data frame with new columns
date and doy. Otherwise return database connection.
Examples
bcch_with_dates <- format_dates(bcch)