This document provides a brief introduction into the structure of the R package DAIME with an overview of the available functions.
Changing deposition rates alter the stratigraphic distribution of fossils by altering the amount of sediment placed between individual fossils. The same holds for any information conveyed by the rock record, since different deposition rates alter the time “stored” in some fixed thickness of rock, which accordingly alters interpretations of rates in the rock record.
The DAIME package allows to model the effect of changing deposition rates on stratigraphic patterns, and can correct the effects of changing deposition rates on data. It can be applied to
The package consists of eight functions, whose names are structured according to their usage.
timetostrat
strattotime
Next, what type of information is supposed to be transformed?
point
rate
Last, what structure has your deposition rate (or input rate if the middle name is rate
)?
cont
cont
As an example: To transform isotope ratios from stratigraphic height into time with a binned deposition rate, use strattotime
in combination with point
and bin
, meaning that the function strattotimepointbin
is the suitable function.
Overall, the package contains the following functions:
strattotimepointbin
strattotimepointcont
strattotimeratebin
strattotimeratecont
timetostratpointbin
timetostratpointcont
timetostratratebin
timetostratratecont
For examples please refer to the help pages of the corresponding functions