Questions tagged [biomart]

biomaRt is a Bioconductor package. Interface to BioMart databases (e.g. Ensembl, COSMIC, Wormbase and Gramene)

In recent years a wealth of biological data has become available in public data repositories. Easy access to these valuable data resources and firm integration with data analysis is needed for comprehensive bioinformatics data analysis. biomaRt provides an interface to a growing collection of databases implementing the BioMart software suite (http://www.biomart.org). The package enables retrieval of large amounts of data in a uniform way without the need to know the underlying database schemas or write complex SQL queries. Examples of BioMart databases are Ensembl, COSMIC, Uniprot, HGNC, Gramene, Wormbase and dbSNP mapped to Ensembl. These major databases give biomaRt users direct access to a diverse set of data and enable a wide range of powerful online queries from gene annotation to database mining.

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How can I use R to change my table

Using R how would I change my table from this: GeneID GeneName Species Paralogues Domains Total 1234 FGF1 Human 4 2 6 5678 FGF1 Mouse 2 1 3 9104 …
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How to use a loop to change a variable

Is there any way to use a loop to write this code? Each line of code is identical except from the species name ensembl_hsapiens <- useMart("ensembl", dataset = "hsapiens_gene_ensembl") ensembl_mouse <- useMart("ensembl", …
Jack Dean
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How can I select rows from a data frame with the highest variable in a column using R?

If I have the data frame provided below is there a way to select for the highest IDs for all the genes. gene_name <- c("AADACL2", "AADACL3", "AADACL4", "AADACL4", "AADACL4", "AADACL4", "AADACL4", "AADACL4") target_id <- c(79.0524, 62.0098,…
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