Length method for PhysioExperiment
Source:R/PhysioExperiment-methods.R
length-PhysioExperiment-method.RdReturns the number of time points (rows) in the default assay.
Usage
# S4 method for class 'PhysioExperiment'
length(x)Value
Integer scalar giving the number of time points (rows) in the
default assay, or 0L if no assays are present.
References
Huber, W., et al. (2015). "Orchestrating high-throughput genomic analysis with Bioconductor." Nature Methods, 12(2), 115-121. doi:10.1038/nmeth.3252
Morgan, M., et al. (2022). "S4Vectors: Foundation of vector-like and list-like containers in Bioconductor." R package.
See also
dim,PhysioExperiment-method for full dimensions,
nChannels for the number of channels,
duration for duration in seconds
Examples
pe <- PhysioExperiment(
assays = list(raw = matrix(rnorm(400), nrow = 100, ncol = 4)),
samplingRate = 100
)
length(pe) # 100
#> [1] 100