query_ctd_chem {CTDquerier} | R Documentation

## Function to query CTDbase using chemical terminology ( Chemical Name )

### Description

This function checks for CTDbase gene vocabulary and query CTDbase for each one, downloading chemical-genes interactions, associated diseases, associated KEGG pathways and associated GO terms.

### Usage

    query_ctd_chem(terms, max.distance = 10, ask = FALSE, verbose = FALSE)

### Arguments

`terms` | Character vector with the chemicals used in the query.
`max.distance` | (default `10`) Maximum distance allowed between a given element in `terms` argument and a possible match in CTDbase.
`ask` | (default `TRUE`) If `TRUE` it asks the the persistent location must be used to save the vocabulary if it was not downloaded previously.
`verbose` | (default `FALSE`) If set to `TRUE` is shows relevant information of each step.

### Value

An object of class `CTDdata`.

### Examples

    rst <- query_ctd_chem( terms = c( "Iron", "Air Pollutants" ), verbose = TRUE )

[Package CTDquerier version 2.2.0 Index]