subset_monitors: Create a subset of AQS monitors

In czigler/arepa: An R Package for EPA data retrieving and processing

Description

Create a subset of AQS monitors

Usage

subset_monitors(MONITORS, parameter_code, observation_percent,
  monitor_info_file = "monitor_list.csv")

Arguments

MONITORS	An AQS data table obtained created with load_annual_average
parameter_code	A parameter code
observation_percent	The required valid observation percent, e.g., 67
monitor_info_file	The path of the file containing extra information about monitors: "monitor_list.csv"

Value

This function returns a data table of annual AQS datasets previously downloaded in local folder 'Data_AQS' with function get_AQS_data_annual.

Examples

get_AQS_data_annual(2000:2002)
list_AQS <- lapply(2000:2002, load_annual_average)
AQS <- rbindlist(list_AQS)
sub_AQS <- subset_monitors(AQS, 81102, 67, "~/Google Drive/ARP/Arepa/monitor_list.csv")

czigler/arepa documentation built on Oct. 2, 2020, 7:38 p.m.