################################################################################
########################### extdata/rowData.tsv ############################
################################################################################
##
## Row data used for examples and tests.
## Size : 20 * 5.
##
##
## This is the code to generate the extdata/rowData.tsv :
library(biomaRt)
genomeAnnot <- org.Mm.eg.db::org.Mm.eg.db
symbolGenes <- c("Sipa1l2", "Mcts1", "Mov10", "Rtca", "Fmr1", "Sp1", "Uck1",
"Gm2a", "Napsa", "Tsc2", "Rab5b", "Efnb2", "Apoe", "S100a4",
"Eef1e1", "Braf", "Usp32", "Rapsn", "Ndufa9", "Ap4e1")
## Get the rowdata containing SYMBOL ID and ENSEMBL_ID equivalent
rowdata <- AnnotationDbi::select(genomeAnnot,
keys=symbolGenes,
keytype="SYMBOL",
columns=c("SYMBOL", "ENSEMBL", "GENENAME"),
multiVals="first")
rowdata <- rowdata[!duplicated(rowdata$SYMBOL), ]
## Use the retrived ensembl id to have other informations
ensemblID <- rowdata$ENSEMBL
ensembl<- useEnsembl(biomart="ensembl", dataset="mmusculus_gene_ensembl")
attributes <- c("ensembl_gene_id", "go_id", "chromosome_name", "gene_biotype")
res <- getBM(attributes=attributes, mart=ensembl, values=ensemblID,
filters="ensembl_gene_id")
tmp <- res[!duplicated(res$ensembl_gene_id), ]
rowdata <- merge(rowdata, tmp[c("ensembl_gene_id", "chromosome_name",
"gene_biotype")], by.x = "ENSEMBL", by.y = "ensembl_gene_id",
all.x = TRUE, all.y = FALSE, sort = FALSE)
rownames(rowdata) <- rowdata$SYMBOL
colnames(rowdata)[colnames(rowdata) == "SYMBOL"] <- "gene_ID"
rowdata <- rowdata[, c("gene_ID",
colnames(rowdata)[!colnames(rowdata) == "gene_ID"])]
write.table(rowdata, file="inst/extdata/rowData.tsv", sep="\t", quote=FALSE)
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