Description Usage Arguments Details Value References See Also Examples

Test for evaluating the difference in the summed probability values associated with two points in time.

1 |

`x` |
result of |

`p1` |
calendar year (in BP) of start point. |

`p2` |
calendar year (in BP) of end point. |

`interactive` |
if set to TRUE enables an interactive selection of p1 and p2 from a graphical display of the SPD. Disabled when |

`plot` |
if set to TRUE the function plots the location of p1 and p2 on the SPD. Default is FALSE. |

The function compares observed differences in the summed probability values associated with two points in time against a distribution of expected values under the null hypothesis defined with the `modelTest`

function. The two points can be specified manually (assigning BP dates to the arguments `p1`

and `p2`

) or interactively (clicking on a SPD plot). Note that `modelTest`

should be executed setting the argument `raw`

to `TRUE`

(default is `FALSE`

).

A list with: the BP dates for the two points and the p-value obtained from a two-sided test.

Edinborough, K., Porcic, M., Martindale, A., Brown, T.J., Supernant, K., Ames, K.M., (2017). Radiocarbon test for demographic events in written and oral history. PNAS 201713012. doi:10.1073/pnas.1713012114

1 2 3 4 5 6 7 8 9 10 11 12 | ```
## Example with Younger Dryas period Near East, including site bins
## Not run:
data(emedyd)
caldates <- calibrate(x=emedyd$CRA, errors=emedyd$Error, normalised=FALSE, calMatrix=TRUE)
bins <- binPrep(sites=emedyd$SiteName, ages=emedyd$CRA, h=50)
nsim=10 #toy example
expnull <- modelTest(caldates, errors=emedyd$Error, bins=bins, nsim=nsim, runm=50,
timeRange=c(16000,9000), model="exponential", datenormalised=FALSE, raw=TRUE)
p2pTest(x=expnull,p1=13000,p2=12500) #non-interactive mode
p2pTest(x=expnull) #interactive mode
## End(Not run)
``` |

rcarbon documentation built on Oct. 1, 2018, 5:03 p.m.

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