egquery: egquery

In gschofl/rentrez: An R interface to the NCBI EUtilities

Description

“egquery” is an S4 class that provides a container for data retrived by calls to the NCBI EGQuery utility.

egquery retrieves the number of records in all Entrez databases for a single text query

Usage

  egquery(term)

Arguments

term	A valid Entrez text query.

Details

See the official online documentation for NCBI's EUtilities for additional information.

Value

An egquery instance.

Class hierarchy for egquery

Super classes:

• eutil

Generics with methods for egquery

• show

Slots

url

A character vector containing the query URL.

error

Any error or warning messages parsed from the output of the call submitted to Entrez.

content

A character vector holding the unparsed contents of a request to Entrez.

term

The search term passed on to the EGQuery Utility.

count

A data frame with the following columns: dbName, menuName, count, and status.

Examples

## Perform a global Entrez Search

# Determine the number of records for "Chlamydia psittaci" in Entrez
egquery("Chlamydia psittaci")

gschofl/rentrez documentation built on May 17, 2019, 8:53 a.m.