Nothing
## -----------------------------------------------------------------------------
library(c14bazAAR)
library(ggplot2)
library(magrittr)
## -----------------------------------------------------------------------------
adrac <- get_c14data("adrac")
## -----------------------------------------------------------------------------
Batalimo <- adrac %>%
dplyr::filter(site == "Batalimo")
## ---- include = FALSE---------------------------------------------------------
Batalimo_calibrated <- Batalimo %>%
calibrate(choices = "calprobdistr")
## ---- eval = FALSE------------------------------------------------------------
# Batalimo_calibrated <- Batalimo %>%
# calibrate(choices = "calprobdistr")
## ---- echo=FALSE--------------------------------------------------------------
Batalimo_calibrated
## -----------------------------------------------------------------------------
Batalimo_cal_dens <- Batalimo_calibrated %>% tidyr::unnest()
## -----------------------------------------------------------------------------
Batalimo_cal_dens %>%
ggplot() +
# a special geom for ridgeplots is provided by the ggridges package
ggridges::geom_ridgeline(
# the relevant variables that have to be mapped for this geom are
# x (the time -- here the calibrated age transformed to calBC),
# y (the individual lab number of the dates) and
# height (the probability for each year and date)
aes(x = -calage + 1950, y = labnr, height = density),
# ridgeplots lack a scientifically clear y axis for each
# distribution plot and we can adjust the scaling to our needs
scale = 300
) +
xlab("age calBC/calAD") +
ylab("dates")
## -----------------------------------------------------------------------------
load(system.file('data/intcal13.rda', package = 'Bchron'))
## ---- include = FALSE---------------------------------------------------------
Batalimo_calibrated <- Batalimo %>%
calibrate(choices = "calrange")
## ---- eval = FALSE------------------------------------------------------------
# Batalimo_calibrated <- Batalimo %>%
# calibrate(choices = "calrange")
## -----------------------------------------------------------------------------
Batalimo_calibrated$calrange[1:3]
## -----------------------------------------------------------------------------
Batalimo_cal_range <- Batalimo_calibrated %>% tidyr::unnest()
## ---- warning=FALSE-----------------------------------------------------------
ggplot() +
# line plot of the intcal curve
geom_line(
data = intcal13,
# again we transform the age information from BP to BC
mapping = aes(x = -V1 + 1950, y = -V2 + 1950)
) +
# the errorbars are plotted on top of the curve
geom_errorbarh(
data = Batalimo_cal_range,
mapping = aes(y = -c14age + 1950, xmin = -to + 1950, xmax = -from + 1950)
) +
# we define the age range manually -- typically the calcurve
# is arranged to go from the top left to the bottom right corner
xlim(-1000, 2000) +
ylim(2000, -1000) +
xlab("age calBC/calAD") +
ylab("uncalibrated age BC/AD")
## -----------------------------------------------------------------------------
adrac_sf <- adrac %>% as.sf()
## ---- echo=FALSE--------------------------------------------------------------
adrac_sf %>% dplyr::select(data.labnr, data.c14age, data.c14std, geom)
## -----------------------------------------------------------------------------
Moga_spatial <- adrac_sf %>%
dplyr::filter(grepl("Moga 2008", data.shortref)) %>%
dplyr::group_by(data.site) %>%
dplyr::summarise()
## -----------------------------------------------------------------------------
Moga_spatial %>% mapview::mapview()
## -----------------------------------------------------------------------------
countries <- rnaturalearth::ne_countries() %>% sf::st_as_sf()
## ---- warning=FALSE-----------------------------------------------------------
ggplot() +
# geom_sf is a special geom to handle spatial data in the sf format
geom_sf(data = countries) +
# the explicit mapping of variables is not necessary here, as geom_sf
# automatically finds the *geom* column in the input table
geom_sf_text(data = countries, mapping = aes(label = formal_en), size = 2) +
geom_sf(data = Moga_spatial) +
# with geom_sf comes coord_sf to manage the underlying coordinate grid
coord_sf(xlim = c(10, 30), ylim = c(0, 15))
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