Helper function: group fst by pattern
group_fst_by_pattern(time_pattern = NULL, fst_pattern = "raw", fst_dir = system.file("shiny/berlin_t/data/fst", package = "aquanes.report"))
time_pattern | optional pattern to filter months to be imported (default: NULL), for using it do e.g. "2017-06|2017-07" or c("2017-06", "2017-07") |
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fst_pattern | pattern to search for in fst filename (default: "raw") |
fst_dir | directory with fst files or subdirs to be imported (default: system.file("shiny/berlin_t/data/fst",package = "aquanes.report")) |
merged data.frame