Create a FootprintFilter object

A FootprintFilter object allows for filtering based on gene footprinting databases. Using its associated getCandidates method and URIs for both a genome database and project database, a FootprintFilter object can be used to filter a list of possible transcription factors to those that match footprint motifs for a supplied target gene.

FootprintFilter(genomeDB, footprintDB, regions = data.frame(), quiet = TRUE)

Arguments

genomeDB	A connection to a database that contains genome information
footprintDB	A connection to a database that contains footprint information
regions	A data frame that specifies the regions of interest (default = data.frame())
quiet	A logical denoting whether or not the filter should print output

Value

An object of the FootprintFilter class

See also

getCandidates-FootprintFilter

Other Filtering Objects: VarianceFilter-class

Examples

if (FALSE) {
   load(system.file(package="trena", "extdata/ampAD.154genes.mef2cTFs.278samples.RData"))
   db.address <- system.file(package="trena", "extdata")
   genome.db.uri <- paste("sqlite:/",db.address,"mef2c.neighborhood.hg38.gtfAnnotation.db", sep = "/")
   project.db.uri <- paste("sqlite:/",db.address,"mef2c.neigborhood.hg38.footprints.db", sep = "/")
   target.gene <- "MEF2C"
   size.upstream <- 1000
   size.downstream <- 1000

      # Construct a Trena object and use it to retrive the regions
   trena <- Trena("hg38")
   regions <- getProximalPromoter(trena,target.gene, size.upstream, size.downstream)

   footprint.filter <- FootprintFilter(genomeDB = genome.db.uri, footprintDB = project.db.uri,
                                       regions = regions)
   }