query_ctd_chem {CTDquerier} | R Documentation

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

### Description

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

### Usage

    query_ctd_chem(terms, filename = "CTD_chemicals.tsv.gz", mode = "auto",
      max.distance = 10, verbose = FALSE)

### Arguments

`terms` | Character vector with the chemicals used in the query.
`filename` | (default `"CTD_chemicals.tsv.gz"`) Name of the file to store the CTDbase chemicals vocabilary.
`mode` | (default `"auto"`) Mode passed to `download.file`.
`max.distance` | (default `10`) Maximum distance allowed between a given element in `terms` argument and a possible match in CTDbase.
`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 1.5.0 Index]