AQDMRS.query: AQDMRS.query

In holstius/airdata: AirData

Description

Build a query (and, optionally, evaluate it)

Usage

  AQDMRS.query(state, county, bdate,
    edate = as.Date(bdate) + 1, dur = 1, ...,
    user = readline("AQDMRS username: "),
    pw = readline("AQDMRS password: "), verbose = TRUE,
    eval = FALSE)

Arguments

state	Two-digit FIPS state code
county	Three-digit FIPS county code
bdate	beginning date (see as.Date)
edate	ending date
dur	temporal resolution (1=hourly)
...	(optional) additional query parameters
user	AQRDMS username
pw	AQRDMS password
verbose	logical: be chatty?
eval	logical: be lazy (default) or force immediate evaluation?

See Also

Other AQDMRS: AQDMRS.list

Examples

## Not run: 
  q <- AQDMRS.query(
    state = "06",          # California
    county = "001",        # Alameda
    site = "0011",         # West Oakland
    param = "42601",       # Nitric oxide (NO)
    bdate = "2012-01-01"
  )
  NO_data <- eval(q)
  q$param <- "42602"
  NO2_data <- eval(q)

## End(Not run)

holstius/airdata documentation built on May 17, 2019, 4:49 p.m.