Man pages for mchevalier2/crestr
A Probabilistic Approach to Reconstruct Past Climates Using Palaeoecological Datasets

accBasinNamesReturn the list of oceans and seas.
accClimateVariablesDescribes all the variables available in the database.
accCountryNamesReturn the list of the continents and associated countries.
accRealmNamesReturn the list of the realms and associated biomes and...
calib_clim_spaceCalibrate the distribution of the modern climate space.
check_coordinatesCheck if the coordinates are correct.
cite_climate_dataReturns the references associated with the climate data used...
cite_crestReturns the list of references associated to the...
cite_distrib_dataReturns the references associated with the GBIF data used to...
cite_methodReturns the references associated with the development of...
climate_from_xyExtract The climate values associated to a set of...
close_db_connectionDisconnect the database connection.
colour_themeReturns a vector of colours
connect_local_sqlite3Connect to the gbif4crest calibration database
connect_onlineConnect to the gbif4crest calibration database
convert2percentagesConvert abundance data into percentage data.
convert2presenceAbsenceConvert data into presence/absence data.
copy_crestCopy crest data to the clipboard.
createPSECreates a spreadsheet with the format required for a PSE.
crestA wrapper for all the crest functions.
crest.calibrateFit the species and proxy 'pdfs'
crest_exExample dataset to run the CREST method for the first time.
crest_ex_pseExample dataset to Extract data from the example database.
crest_ex_selectionExample dataset to associate taxa with climate variables.
crest.get_modern_dataExtract distributions from the database
crestObjCreate a 'crestObj' object.
crest.reconstructReconstruct climate from fossil data
crest.set_modern_dataFormat a 'crestObj' with private data.
crest.simplifySimplify a crestObj into a dataframe.
cropCrop the dataset obtained from 'crest.get_modern_data'
dbDownloadDownload the gbif4crest_02 dataset from figShare.
dbRequestConnect to the gbif4crest database
dbSubsetCreate a subset of the global calibration dataset
dot-ecoid2namesReturn biogeographical units associated with a ecoID.
dot-geopoid2namesReturn geopolitical units associated with a geopoID.
eqearth_get_extCalculates the extent of the plot in the equal earth...
excludeTaxaExcludes the list of taxa from the reconstructions.
explore_calibration_datasetExtract distributions from the database
exportExport the results
export_pdfsExport the pdfs fitted for the different taxa.
find.original.nameReturns the name of the function argument in the global...
fit_pdfspFit the species 'pdfs'.
fit_xrangeDefine the climate gradient to fit the 'pdfs'.
f_locidCalculates a unique identifier from coordinates.
getBasinNamesReturn the list of oceans and seas.
getClimateSpaceExtract the distribution of the studied climate gradient(s)...
getCountryNamesReturn the list of the continents and associated countries.
getDistribTaxaExtract taxonID(s) corresponding to the taxonomic description
getRealmNamesReturn the list of the realms and associated biomes and...
getResolCalculates a unique identifier from coordinates.
getSpeciesdiversityCalculates how many species compose the response of each...
get_taxa_typeReturns the taxa type corresponding to the index.
getTaxaTypeFromTaxIDReturns the taxa type corresponding to the taxID.
getTaxonIDExtract taxonID(s) corresponding to the taxonomic description
getTaxonomyExtract taxonID(s) corresponding to the taxonomic description
identifyDatabaseIdentify the calibration database used.
includeTaxaIncludes the list of taxa into the reconstructions.
isColourStrTest if 'R' can interpret a string as a colour
is.crestObjTest if x is a crestObj.
looPerforms the leave-one-out analysis
M1A shapefile of the world's country borders. Use 'M1 <-...
makeTransparentWrapper function of to add transparency to a colour.
meanPositiveValuesCalculate the mean of all strictly positive values.
normaliseNormalises the percentages
pdf_rangesCalculate the climate tolerance of the taxa from their pdfs.
plot_climateSpacePlot the studied climate space.
plot_combinedPDFsPlot representing how the 'pdfs' combine to produce the...
plot.crestObjPlot the reconstructions.
plot_diagramPlot stratigraphic data as polygons or barplots.
plot_looPlot the results of the leave-one-out analysis.
plot_map_eqearthPlots raster data in equal earth projection.
plot_scatterPDFsPlot the pdf optima and uncertainty ranges in a climate...
plot_taxaCharacteristicsPlot the distribution and responses of the studied taxa
plot_violinPDFsPlot the pdfs as violins
PSE_logDisplays the log of the proxy-species association
reconstrA 'crestObj' ran with the example dataset.
taxonCompositionReturn the size of the distribution of each composing species...
testConnectionTest if a connection can be established with the calibration...
mchevalier2/crestr documentation built on Feb. 14, 2025, 6:31 p.m.