Example datasets consisting of (a) occurrence data and (b) taxonomic data downloaded from the Paleobiology Database API for the Graptolithina.
The example occurrence dataset (
graptOccPBDB) is a data.frame consisting of 5900 occurrences (rows) and 35 variables (columns).
The example taxonomy dataset (
graptTaxaPBDB) is a data.frame consisting of 364 formal taxa (rows) and 53 variables (columns).
Variables are coded in the 'pbdb' vocabulary of the PBDB API v1.2.
This example PBDB data is included here for testing functions involving occurrence data and taxonomy
See examples for the full R code used to obtain the data from the API. You can find the Paleobiology Database at http://paleobiodb.org
The occurrence data was entered by (in order of relative portion) P. Novack-Gottshall, M. Krause, M. Foote, A. Hendy, T. Hanson, M. Sommers and others. This same data was authorized mainly by A. Miller, W. Kiessling, M. Foote, A. Hendy, S. Holland, J. Sepkoski and others.
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## Not run: #original code used to obtain this dataset on March 21st, 2015 # using version 1.2 of the Paleobiology Database API # (sorry, URLs removed as they lead to the PBDB test server...) save(graptOccPBDB,graptTaxaPBDB,file = "graptPBDB.rdata") ## End(Not run) # load archived example data data(graptPBDB) # let's visualize who entered the majority of the occurrence data pie(sort(table(graptOccPBDB$enterer))) # and now who authorized it pie(sort(table(graptOccPBDB$authorizer))) # I apologize for using pie charts. # Let's look at age resolution of these occurrences hist(graptOccPBDB$early_age-graptOccPBDB$late_age, main = "Age Resolution of Occurrences", xlab = "Ma") #distribution of taxa among taxonomic ranks table(graptTaxaPBDB$taxon_rank) barplot(table(graptTaxaPBDB$taxon_rank))
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