Convenience function for deciding how to construct filters
Examples
data(airway, package = "airway")
ese <- as(airway, "ExploratorySummarizedExperiment")
eselist <- ExploratorySummarizedExperimentList(ese, title = "Airway study")
#> Creating ExploratorySummarizedExperimentList object
single_valid_matrix(eselist)
#> [1] TRUE
