Read a PhysioExperiment from a Parquet dataset directory

Inverse of writeParquet(): reconstructs a PhysioExperiment (or MultiRatePhysioExperiment) from a directory written by writeParquet().

Usage

readParquet(dir)

Arguments

dir

A directory written by writeParquet().

Value

A PhysioExperiment or MultiRatePhysioExperiment.

See also

writeParquet()

Examples

if (requireNamespace("arrow", quietly = TRUE)) {
  pe <- PhysioExperiment(
    assays = S4Vectors::SimpleList(raw = matrix(rnorm(30), 10, 3)),
    samplingRate = 256)
  d <- tempfile("pe-parquet")
  writeParquet(pe, d)
  readParquet(d)
}
#> class: PhysioExperiment
#> dim: 10 x 3 
#> assays(1): raw
#> samplingRate: 256 Hz
#> channels(3): Ch1, Ch2, Ch3