metadata, data and processingLog.pt[["time"]], where the
string could also be "pressure" or "temperature". Items in
metadata must be specifield by full name, but those in data
may be abbreviated, so long as the abbreviation is unique. Assignment to
these can be made with e.g. pt[["pressure"]] <- value, etc. Indeed,
any quantity in the metadata slot or the data slot can be
retrieved or updated in this way.lobo object may be read with read.lobo or
created with as.lobo. Plots can be made with
plot.lobo, while summary.lobo produces
statistical summaries and show produces overviews.