monitor_subsetMeta: Subset ws_monitor Object 'meta' Dataframe

In PWFSLSmoke: Utilities for Working with Air Quality Monitoring Data

Description

Subsets the ws_monitor$data dataframe by removing any monitors that lie outisde the geographical ranges specified (i.e. outside of the given longitudes and latitudes and/or states) and that are not mentioned in the list of monitorIDs.

If any parameter is not specified, that parameter will not be used in the subsetting.

Intended for use by the monitor_subset function.

Usage

monitor_subsetMeta(
  meta,
  xlim = NULL,
  ylim = NULL,
  stateCodes = NULL,
  countryCodes = NULL,
  monitorIDs = NULL
)

Arguments

meta	ws_monitor object meta dataframe
xlim	optional vector with low and high longitude limits
ylim	optional vector with low and high latitude limits
stateCodes	optional vector of stateCodes
countryCodes	optional vector of countryCodes
monitorIDs	optional vector of monitorIDs

Details

Longitudes must be specified in the domain [-180,180].

Value

A ws_monitor object meta dataframe, or NULL if filtering removes all monitors.

PWFSLSmoke documentation built on Nov. 23, 2021, 5:06 p.m.