queryAE: Query of the ArrayExpress collection in Biostudies

In ebi-gene-expression-group/bioconductor-ArrayExpress: Access the ArrayExpress Collection at EMBL-EBI Biostudies and build Bioconductor data structures: ExpressionSet, AffyBatch, NChannelSet

Query of the ArrayExpress collection in Biostudies

Description

queryAE queries the ArrayExpress collection with keywords and give a dataframe with ArrayExpress identifiers and related information, as an output.

Usage

queryAE(keywords = NULL, species = NULL)

Arguments

keywords	the keyword(s) of interest. To use several words, they must be separated by a "+" as shown in the examples.
species	the specie(s) of interest.

Value

A dataframe with all the ArrayExpress dataset identifiers which correspond to the query in the first column. The following columns contain information about these datasets, such as the number of files, the release date on the database, the title, the author and content.

Author(s)

Ibrahim Emam, Audrey Kauffmann

Maintainer: Jose Marugan <[e-mail]>

See Also

ArrayExpress, getAE

Examples

## To retrieve all the identifiers of pneumonia data sets
pneumo = queryAE(keywords = "pneumonia")

## To retrieve all the identifiers of pneumonia data sets studied in human
pneumoHS = queryAE(keywords = "pneumonia", species = "homo+sapiens")

ebi-gene-expression-group/bioconductor-ArrayExpress documentation built on April 9, 2023, 6:39 a.m.