trackSize-DataFrameAnnotationTrack-method: Retrieve the size of the DataFrameAnnotationTrack

In igvR: igvR: integrative genomics viewer

Description

Retrieve the size of the DataFrameAnnotationTrack

Usage

## S4 method for signature 'DataFrameAnnotationTrack'
trackSize(obj)

Arguments

obj	An object of class UCSCBedAnnotationTrack

Value

The number of elements

Examples

base.loc <- 88883100
tbl <- data.frame(chrom=rep("chr5", 3),
                  start=c(base.loc, base.loc+100, base.loc + 250),
                  end=c(base.loc + 50, base.loc+120, base.loc+290),
                  name=c("a", "b", "c"),
                  score=runif(3),
                  strand=rep("*", 3),
                  stringsAsFactors=FALSE)

track <- DataFrameAnnotationTrack("dataframeTest", tbl)
trackSize(track)

igvR documentation built on Nov. 8, 2020, 7:14 p.m.