rOstluft long format (rolf) — format

Data format for storing air quality data. A Serie is the combination of measurement site, interval, parameter and unit.

The data is chunked in year of measurement, site and interval. Base64 encoding is used to avoid invalid characters

Usage

format_rolf(tz = "Etc/GMT-1")

R6 class object of format_rolf

index: index for the data (in most cases the time columns)
serie_columns: combination of columns for a serie
chunk_columns: data columns for chunking
chunk_calc: formulas for calculating new columns for chunking
unique_columns: = index + serie_columns
content_columns: = serie_columns + names(chunk_calc)
tz: time zone used for chunking. Same time different chunk: 2018-01-01T00:00:00+0100 = 2018, 2017-12-31T23:00:00+0000 = 2017

$sort(data)

$merge(new_data, old_data)

$chunk_name(chunk_data) returns the chunkname based on the first row of the supplied data

$get_chunk_names(interval, site, year) returns encoded chunknames for all combinations of the supplied vectors

$encode_chunk_name(interval, site, year) returns encoded chunkname

$decode_chunk_name(chunk_name) returns decoded chunk_name in tibble as columns (chunk_name, interval, site, year)

$destroy(confirmation) removes all files under path from the file system if "DELETE" is supplied as confirmation

Update Documentation is outdated