getAbundanceAnomaly {vectorsurvR}R Documentation

Get Abundance Anomaly

Description

'getAbundanceAnomaly(...) 'requires at least five years prior to the target_year of arthro collections data to calculate for the specified parameters. The function uses the methods of the Gateway Abundance Anomaly calculator, and will not work if there is fewer than five years of data present.

Usage

getAbundanceAnomaly(
  collections,
  interval,
  target_year,
  species = NULL,
  trap = NULL,
  sex = "female",
  separate_by = NULL
)

Arguments

collections

Collections data retrieved from 'getArthroCollections()'

interval

Calculation interval for abundance, accepts “collection_date”,“Biweek”,“Week”, and “Month

target_year

Year to calculate analysis on. Collections data must have a year range of at least (target_year - 5, target_year)

species

An optional vector for filtering species. Species_display_name is the accepted notation.To see a list of species present in your data run unique(collections$species_display_name). If species is unspecified, the default NULL will return data for all species in data.

trap

An optional vector for filtering trap type by acronym. Trap_acronym is the is the accepted notation. Run unique(collections$trap_acronym) to see trap types present in your data. If trap is unspecified, the default NULL will return data for all trap types.

sex

An optional vector for filtering sex type. Accepts 'male', 'female',or 'other'. If sex is unspecified, the default NULL will return data for female sex.

separate_by

Separate/group the calculation by 'trap','species' or 'agency'. Default NULL does not separate.

Value

Abundance anomaly calculation

Examples

getAbundanceAnomaly(sample_collections,"Biweek",target_year=2020, species="Cx pipiens")


[Package vectorsurvR version 1.3.0 Index]