IVAS (version 1.4.0)

chrseparate: Separate a TranscriptDb object based on a chromosome.

Description

With the isActiveSeq method in GenomicFeatures package, this function filters the transcriptDb object in the GenomicFeatures package based on a single chromosome.

Usage

chrseparate(transdb = NULL, chrname = NULL)

Arguments

transdb

The transcriptDb object in the GnomicFeatures package.

chrname

The chromosome number you would like to selecet from TrnascriptDb

Value

This function returns the TrnascriptDb limited to the chromosome number that you want.

References

Lawrence M, Huber W, Pages H, Aboyoun P, Carlson M, Gentleman R, Morgan M, and Carey V. Software for Computing and Annotating Genomic Ranges. PLoS Computational Biology, 9, e1003118. 2013.

See Also

isActiveSeq, seqinfo

Examples

sampleDB <- system.file("extdata", "sampleDB", package="IVAS")
sample.Txdb <- loadDb(sampleDB)
filtered.txdb <- chrseparate(sample.Txdb,19)