## ----eval=FALSE--------------------------------------------------------------- # install.packages('coffee') ## ----------------------------------------------------------------------------- library(coffee) ## ----fig.width=4, fig.asp=1.3------------------------------------------------- sim.rings(age.start=1000, length=400, gaps=20) mytree <- rings() ## ----eval=FALSE--------------------------------------------------------------- # ?rings ## ----eval=FALSE--------------------------------------------------------------- # MCMCrings(its=5e4) # note that this run will take around half a minute ## ----------------------------------------------------------------------------- # The run's files will be put in this folder: trees/Ulandryk # |>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>| 100% # Done running... # Removed a burn-in of 1000 # Thinning the MCMC by storing every 55 iterations # Age estimate: 2629.2 - 2619.2 cal BP (93.4%) # deltaR: -2.5 - 19.5 (94.7%) ## ----eval=FALSE--------------------------------------------------------------- # set.seed(123) # sim.strat() # strat(its=2e5) # note that this run will take a few minutes ## ----------------------------------------------------------------------------- # The run's files will be put in this folder: strats/mystrat # |>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>| 100% # Done running... # Removed a burn-in of 100 # Thinning the MCMC by storing every 8 iterations # 79.71% of the model's ages fit within the 95% hpd ranges of the dates, # with worst-fitting date 2 (51.38%) and best-fitting date 4 (93.89%) # Run took 3.17 minutes ## ----eval=FALSE, fig.width=4, fig.asp=1.3------------------------------------- # set.seed(234) # sim.strat() # strat(burnin=0, thinning=1, internal.thinning=1, its=2000, # init.ages=rbind(seq(3000, 4000, length=5), rbind(seq(3010, 4010, length=5)))) ## ----eval=FALSE, fig.width=4, fig.asp=1.3------------------------------------- # strat("block_example", its=2e6, thinning=20, internal.thinning=20) # takes long to run ## ----eval=FALSE--------------------------------------------------------------- # strat("undated_example") # will need a longer run for reliable results (the example below used 600,000 iterations) ## ----fig.width=4, fig.asp=1.3------------------------------------------------- set.seed(123) sim.strat(n=5) strat(its=1000, burnin=0, thinning=1, internal.thinning=1, show.progress=FALSE) # much too short layout(1) # new plot if(length(info$output) > 0) { # to avoid runs that produced no remaining iterations undated_1.5 <- ages.undated(1.5) # ages between positions 1 and 2 summary(undated_1.5) } ## ----eval=FALSE--------------------------------------------------------------- # strat("gaps_example") # will need a longer run for reliable results (the example below used 1 million iterations, followed by thinning using the thinner() function)