fetch_ad: Fetch AREAdata dataset

In ohvbd: One Health VBD Hub

Fetch AREAdata dataset

Description

Retrieve AREAdata dataset/s specified by metric and spatial scale (GID).

Usage

fetch_ad(
  metric = "temp",
  gid = 0,
  use_cache = TRUE,
  cache_location = NULL,
  refresh_cache = FALSE,
  timeout = 240,
  basereq = ad_basereq()
)

Arguments

metric	the metric to retrieve from areadata.
gid	the spatial scale to retrieve (0 = country-level, 1=province-level ...).
use_cache	load files from cache if possible, and save them if not present.
cache_location	path to cache location (defaults to a temporary user directory, or one set by set_default_ohvbd_cache()).
refresh_cache	force a refresh of the relevant cached data (and enables use_cache).
timeout	timeout for data download from figshare/github in seconds.
basereq	the url of the AREAdata database (usually generated by ad_basereq()). If NA, uses the default.

Value

A ohvbd.ad.matrix of the requested data (with added attributes for gid and metric).

Valid metrics

The following metrics are valid (alternative names are listed in brackets):

• temp (temperature)

• spechumid (specific humidity)

• relhumid (relative humidity)

• uv (ultraviolet)

• precip (precipitation, rainfall)

• popdens (population density, population)

• forecast (future climate, future)

Author(s)

Francis Windram

Examples

fetch_ad(metric="temp", gid=0)

ohvbd documentation built on March 10, 2026, 1:07 a.m.