rcarbon (version 1.4.0)

subset.CalDates: Subsetting calibrated dates

Description

Subsets calibrated dates (CalDates class object) based on Logical expressions of time intervals.

Usage

# S3 method for CalDates
subset(x, s, p, ...)

Arguments

x

A CalDates class object

s

Logical expression indicating dates to keep. The expression should include the term BP which refers to specific dates.

p

Probability mass meeting the condition defined by ss.

...

Further arguments to be passed to or from other methods (ignored).

Value

A CalDates class object.

Details

The function subsets CalDates class objects by identifying all dates that have a probability mass larger than p for a user defined logical expression of temporal interval containing the term BP, where BP refers to radiocarbon date. See examples for further detailes

Examples

# NOT RUN {
## Generate some calibrated dates
x = calibrate(c(12100,5410,5320,3320),errors=c(20,20,30,30))
## Subsets all dates that have a probability mass above 0.8 before 10000 BP
x2 = subset(x,BP>10000,p=0.8)
## Subsets all dates that have a probability mass above 0.5 between 6000 and 6300 BP
x3 = subset(x,BP>6000&BP<6300,p=0.5)
# }