cql_r_date | R Documentation |
The CQL commands R_Date
, F14C_Date
, C_Date
and Date
are used to
describe individual dated events in a model. R_Date
and F14C_Date
represent radiocarbon dates expressed in radiocarbon years (the conventional
radiocarbon age, CRA) or fraction modern (F14C) respectively.
C_Date
represents a calendar date. Date
directly specifies a date in
OxCal's internal format.
cql_r_date(name, date, error)
cql_c_date(name, date, error)
cql_r_f14c(name, date, error)
cql_date(name, date)
name |
Character. Date label(s), usually a lab code. |
date |
Numeric. Date or dates expressed in radiocarbon years ( |
error |
Integer. Uncertainty associated with the date(s). |
The era expected for calendar dates (BP or BC/AD) depends on a global option in OxCal, which defaults to BC/AD. BC dates are specified as negative values.
F14C measurements are recommended for modern, "post-bomb" radiocarbon dates \insertCiteReimer2004-ylstratigraphr.
OxCal's internal date format, used with Date()
, is a decimal Gregorian
year, for details see: https://c14.arch.ox.ac.uk/oxcalhelp/hlp_analysis_calend.html
A cql
object, or a list of cql
objects if the arguments are vectors.
https://c14.arch.ox.ac.uk/oxcalhelp/hlp_analysis_inform.html#date
https://c14.arch.ox.ac.uk/oxcalhelp/hlp_commands.html
\insertAllCitedOther CQL functions:
cql_boundary()
,
cql_n()
,
cql_options()
,
cql_other
,
cql_phase()
,
cql_sequence()
,
cql()
,
write_oxcal()
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