as.CalDates function

Convert to a CalDates object

Convert other calibrated date formats to an rcarbon CalDates object.

as.CalDates(x)

Arguments

• x: One or more calibrated dated to convert (currently only BchronCalibratedDates and oxcAARCalibratedDatesList objects are supported)

Returns

A CalDates object

Examples

## Not run:
 
library(Bchron)
library(oxcAAR)
quickSetupOxcal()
dates <- data.frame(CRA=c(3200,2100,1900), Error=c(35,40,50))
bcaldates <- BchronCalibrate(ages=dates$CRA, ageSds=dates$Error, 
calCurves=rep("intcal13", nrow(dates)))
rcaldates <- rcarbon::calibrate(dates$CRA, dates$Error, calCurves=rep("intcal13"))
ocaldates <- oxcalCalibrate(c(3200,2100,1900),c(35,40,50),c("a","b","c"))
## Convert to rcarbon format
caldates.b <- as.CalDates(bcaldates)
caldates.o <- as.CalDates(ocaldates)
## Comparison plot
plot(rcaldates$grids[[2]]$calBP,rcaldates$grids[[2]]$PrDens, 
type="l", col="green", xlim=c(2300,1900))
lines(caldates.b$grids[[2]]$calBP,caldates.b$grids[[2]]$PrDens, col="red")
lines(caldates.o$grids[[2]]$calBP,caldates.o$grids[[2]]$PrDens, col="blue")
legend("topright", legend=c("rcarbon","Bchron","OxCal"), col=c("green","red","blue"), lwd=2)
## End(Not run)