Type: Package
Title: Data Access and Analytical Tools for 'VectorSurv' Users
Version: 1.5.1
Description: Allows registered 'VectorSurv' https://vectorsurv.org/ users access to data through the 'VectorSurv API' https://api.vectorsurv.org/. Additionally provides functions for analysis and visualization.
License: GPL-3
Encoding: UTF-8
LazyData: true
RoxygenNote: 7.3.2
Imports: rstudioapi, jsonlite, kableExtra, knitr, lubridate, stringr, httr2, tidyr, magrittr, DT, sf
Suggests: testthat (≥ 3.0.0), rmarkdown, devtools,
VignetteBuilder: knitr
Config/testthat/edition: 3
Depends: dplyr, R (≥ 2.10)
NeedsCompilation: no
Packaged: 2025-07-09 18:47:51 UTC; Christina
Author: Christina De Cesaris [aut, cre]
Maintainer: Christina De Cesaris <cmdecesaris@ucdavis.edu>
Repository: CRAN
Date/Publication: 2025-07-09 19:20:02 UTC

Pipe operator

Description

See magrittr::%>% for details.

Usage

lhs %>% rhs

Arguments

lhs

A value or the magrittr placeholder.

rhs

A function call using the magrittr semantics.

Value

The result of calling 'rhs(lhs)'.

Calculate abundance

Description

Calculates abundance

Usage

getAbundance(
  collections,
  interval,
  agency = NULL,
  species = NULL,
  trap = NULL,
  sex = "female",
  trapnight_min = 1,
  trapnight_max = NULL,
  separate_by = NULL
)

Arguments

collections

Collections data retrieved from getArthroCollections()

interval

Calculation interval for abundance, accepts "CollectionDate",“Week”, “Biweek”, or “Month.

agency

An optional vector for filtering agency by character code

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.

trapnight_min

Minimum trap night restriction for calculation. Default is 1.

trapnight_max

Maximum trap night restriction for calculation. Default is no restriction.

separate_by

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

Value

A dataframe of abundance calculations.

Examples

getAbundance(sample_collections,
             interval = 'Week',
             species = list('Cx pipiens'),
             trap = list('GRVD', 'CO2'),
             sex = list("female"),
             trapnight_min = 1,
             trapnight_max = 5,
             separate_by  = "species")

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,
  agency = NULL,
  species = NULL,
  trap = NULL,
  sex = "female",
  trapnight_min = 1,
  trapnight_max = NULL,
  separate_by = NULL
)

Arguments

collections

Collections data retrieved from 'getArthroCollections()'

interval

Calculation interval for abundance, accepts “CollectionDate”,“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)

agency

An optional vector for filtering agency by character code

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.

trapnight_min

Minimum trap night restriction for calculation. Default is 1.

trapnight_max

Maximum trap night restriction for calculation. Default is no restriction.

separate_by

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

Value

Abundance anomaly calculation

Examples

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

Get arthropod collections data

Description

'getArthroCollections()' obtains collections data on a year range [start_year, end_year] for authorized VectorSurv Gateway accounts.

Usage

getArthroCollections(
  token,
  start_year,
  end_year,
  arthropod,
  agency_ids = NULL,
  spatial_features = NULL
)

Arguments

token

A valid access token returned from 'getToken()'

start_year

Start year of data

end_year

End year of data

arthropod

Specify arthropod type from: 'mosquito', 'tick'

agency_ids

Filter on agency id, default to NULL for all available agencies,otherwise provide a vector of agency ids, such as 'agency_ids = c(55,56)'

spatial_features

Filter data by spatial feature

Value

A dataframe of collections data

Examples

## Not run: 
token = getToken()
collections = getArthroCollections(token, 2021, 2022, 'mosquito',c(55,56), TRUE)
## End(Not run)

Calculate infection rate

Description

'getInfectionRate()' Calculates infection rate from pools data

Usage

getInfectionRate(
  pools,
  interval,
  target_disease,
  pt_estimate = "bc-mle",
  scale = 1000,
  agency = NULL,
  species = NULL,
  trap = NULL,
  sex = "female",
  separate_by = NULL
)

Arguments

pools

Pools data retrieved from 'getPools()'

interval

Calculation interval for infection rate, accepts “CollectionDate”,“Biweek”,“Week”, and “Month

target_disease

The disease to calculate infection rate for–i.e. “WNV”. Disease acronyms are the accepted input. To see a list of disease acronyms, run 'unique(pools$test_target_acronym)'

pt_estimate

The estimation type for infection rate. Options include: “mle”,“bc-mle”, “mir”

scale

Constant to multiply infection rate by

agency

An optional vector for filtering agency by character code

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

Dataframe of infection rate calculation

Get Pools data

Description

Retrieves VectorSurv pools data for desired year range

Usage

getPools(token, start_year, end_year, arthropod, agency_ids = NULL)

Arguments

token

access token retrieved from 'getToken()'

start_year

Beginning of year range

end_year

End of year range

arthropod

Specify arthropod type from: 'mosquito', 'tick', 'nontick'

agency_ids

Filter on agency id, default to NULL for all available agencies, otherwise provide a vector of agency ids

Value

Dataframe of pools data

Examples

## Not run: 
token = getToken()
getPools(token, start_year = 2020, end_year = 2021, arthropod = 'tick', 55)
## End(Not run)

Get Pools Frequency Table

Description

'getPoolsComparisionTable()' produces a frequency table for positive, negative, and pending pools counts by year and species. The more years present in the data, the larger the table.

Usage

getPoolsComparisionTable(pools, interval, target_disease, separate_by = NULL)

Arguments

pools

Pools data retrieved from 'getPools()'

interval

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

target_disease

The disease to calculate infection rate for–i.e. “WNV”. Disease acronyms are the accepted input. To see a list of disease acronyms, run 'unique(pools$target_acronym)'

separate_by

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

Value

Frequency table of for pools data

Examples

getPoolsComparisionTable(sample_pools,
                         interval = "Biweek",
                         target_disease = "WNV",
                          separate_by = "species")

Get region data

Description

'getSites()' obtains site data for authorized VectorSurv Gateway accounts.

Usage

getRegions(token)

Arguments

token

A valid access token returned from 'getToken()'

Value

A dataframe of region data, used internally to merge spatial information to collections

Get sites data

Description

'getSites()' obtains site data for authorized VectorSurv Gateway accounts.

Usage

getSites(token)

Arguments

token

A valid access token returned from 'getToken()'

Value

A dataframe of site data

Examples

## Not run: 
token = getToken()
sites = getSites(token)
## End(Not run)

Get Spatial Features data

Description

Retrieves VectorSurv spatial features data with optional agency filtering

Usage

getSpatialFeatures(token, agency_ids = NULL)

Arguments

token

Access token retrieved from 'getToken()'

agency_ids

Optional vector of agency IDs to filter by

Value

An sf object containing spatial features data

Examples

## Not run: token=getToken()
spatial = getSpatialFeatures(token)
## End(Not run)

Get authentication token

Description

getToken() returns a token needed to run getArthroCollections() and getPools(). Prints agencies associated with account credentials. The function prompts users for a VectorSurv account credentials.

Usage

getToken()

Value

User token

Examples

 ## Not run: token = getToken()

Calculate vector index

Description

'getVectorIndex()' Calculates vector index from pools and collections data

Usage

getVectorIndex(
  collections,
  pools,
  interval,
  target_disease,
  pt_estimate = "bc-mle",
  scale = 1000,
  agency = NULL,
  species = NULL,
  trap = NULL,
  sex = NULL,
  trapnight_min = 1,
  trapnight_max = NULL,
  separate_by = NULL
)

Arguments

collections

Collections data retrieved from 'getArthroCollections()'

pools

Pools data retrieved from 'getPools()'

interval

Calculation interval for vector index, accepts “CollectionDate”,“Biweek”,“Week”, and “Month

target_disease

The disease to calculate infection rate for–i.e. “WNV”. Disease acronyms are the accepted input. To see a list of disease acronyms, run 'unique(pools$target_acronym)'

pt_estimate

The estimation type for infection rate. Options include: “mle”,“bc-”mle”, “mir”

scale

Constant to multiply infection rate, default is 1000

agency

An optional vector for filtering agency by character code

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.

trapnight_min

Minimum trap night restriction for calculation. Default is 1.

trapnight_max

Maximum trap night restriction for calculation. Default is no restriction.

separate_by

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

Value

Dataframe containing the vector index calculation

Examples

getVectorIndex(collections=sample_collections,
pools=sample_pools, interval="Month", target_disease = "WNV", pt_estimate="mle")

Process abundance anomaly

Description

‘processAbunAnom()' processes the output returned from 'getAbundanceAnomaly()' into a long form suitable for plotting using ’ggplot'

Usage

processAbunAnom(AbAnomOutput)

Arguments

AbAnomOutput

output from 'getAbunAnom()'

Value

Abundance anomaly output processed into long form, used for plotting functions

Sample Mosquito Collections Data

Description

Sample Mosquito Collections data imitates the essential components of real mosquito collections data

Usage

sample_collections

Format

A data frame with 2500 rows and 13 variables:

agency_code

character Four letter agency code

agency_id

interger Unique agency id number

county

character County which site resides

collection_id

double Collection identification number

collection_date

character The date the trap was picked up for collection

num_trap

integer The number of unique traps in operation at one site

site_code

integer Identifying code of site

surv_year

double Surveillance year of collection

trap_nights

integer The number of nights a trap was in the field

trap_problem_bit

logical If these was an issue with the trap

num_count

integer Number of arthropods present in collection

sex_type

character Sex of collected arthropods

species_display_name

character Species name of collected arthropods

trap_acronym

character The acronym of the trap placed in the field

collection_longitude

numeric longitude of collection

collection_latitude

numeric latitude of collection

spatial_feature

character name of spatial feature to which data belongs

Source

https://vectorsurv.org/

Sample Pools Data

Description

Sample Pools data imitates the essential components of real mosquito pools data needed for calculations

Usage

sample_pools

Format

A data frame with 2500 rows and 10 variables:

agency_code

character Four letter agency code

agency_id

interger Unique agency id number

id

integer Pool identification number

surv_year

integer Surveillance year of pool

site_code

integer Identifying code of site

collection_date

character The date the trap was picked up for collection

sex_type

integer Sex type of collected arthropods

num_count

integer Number of arthropods present in collection

test_target_acronym

character The disease being tested for in the pool

test_method_name

character Method used to test pool for disease

test_status_name

character Status of the tested disease, confirmed or negative

trap_acronym

character The acronym of the trap placed in the field

species_display_name

character Species name of collected arthropods

pool_longitude

numeric longitude of pool

pool_latitude

numeric latitude of pool

Source

https://vectorsurv.org/

Sample Spatial Data

Description

Sample Spatial data imitates spatial feature data

Usage

sample_spatial

Format

A data frame with 3 rows and 4 variables:

agency

character Agency name

agency_id

interger Unique agency id number

id

interger ID of spatial feature

name

character Name of spatial feature

geometry

multipolygon shape geometry spatal feature

Source

https://vectorsurv.org/