taxotree: Treemap based on taxonomic hierarchy of records
Usage
taxotree(indf, n = 30, title = NA, legend = NA, sum1 = "Family", sum2 = "Genus")
Arguments
indf
input data frame containing biodiversity data set
n
maximum number of rectangles to be plotted in the treemap. Default is
30
title
title for the tree. Default is "Records per "
legend
legend title. Default is "Number of "
sum1
Taxonomic level whose density will be represented with different
cell sizes
sum2
Taxonomic level whose density will be represented with a color
gradient
Details
This function builds a treemap of the taxonomic information present in the
data set. It represents this information at two levels (with the arguments
sum1 and sum2). The first level (sum1) will be represented with cell sizes and
is a reflection of the number of records in that group. If, for example,
"Family" is selected as value for sum1, the size of the cells in the treemap
will be directly proportional to the number of records for that taxonomic
family. The second level (sum2) will be represented by color and is a
reflection of the number of sub-groups in a particular cell. If, for example,
"Genus" is selected as value for sum2, the color of the cell will depend on
the number of different genera for that particular cell.
References
Otegui, J., Arino, A. H., Encinas, M. A., & Pando, F. (2013).
Assessing the Primary Data Hosted by the Spanish Node of the Global
Biodiversity Information Facility (GBIF). PLoS ONE, 8(1), e55144.
doi:10.1371/journal.pone.0055144
Examples
Run this code## Not run:
# taxotree(inat)
# ## End(Not run)
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