dwd_filter: Filter TS-relevant data

Description Usage Arguments Value Examples

Description

This function allows you to filter observation data relevant to your time-series analysis. A single phase and observation period is selected. Observations of stations closed out of or within this period are deleted. All observations of a station with less than a selected number of observations is available are removed.

Usage

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dwd_filter(dwd_data, dwd_phase_id, obs_start, obs_end, obs_min)

Arguments

dwd_data

tibble containing processed DWD observation data which shall be filtered (return of dwd_process).

dwd_phase_id

phase_id of selected phase according to DWD (not BBCH!) definition.

obs_start

start of observation period (year).

obs_end

end of observation period (year, included).

obs_min

minimum number of available observations per station.

Value

A tidyverse tibble containing the filtered observation data.

Examples

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## set directory where data files shall be saved
my_dir <- "C:/Users/.../my_folder"

## download
# both data + meta files
dwd_download("RBU",1900,2019,"JMSM",my_dir)

## create directory to folder containing files to be processed
folder_dir <- paste0(my_dir, "/RBU") # modify abbreviation accordingly

## process and join all files in folder
rbu_data <- dwd_process(dir)

## filter time-series relevant data
rbu_data <- dwd_filter(rbu_data, dwd_phase_id=4, obs_start=1950, obs_end=2018, obs_min=25)

malinfischer/phenoTS documentation built on May 14, 2019, 12:56 a.m.