Detection and Analysis of Insect Defoliation Signals in Tree Rings


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Documentation for package ‘dfoliatR’ version 0.3.0

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as.defol Alias to 'as_defol()'
as.obr Alias to 'as_obr()'
as_defol Cast data frame to list-like 'defol' object
as_obr Cast data frame to list-like 'obr' object
defol Constructor for S3 defol class
defoliate_trees Identify defoliation events in host trees
defol_stats Descriptive statistics for defoliation trees
dmj_defol Demi John dfol object
dmj_h Demi John Douglas-fir
dmj_nh Demi John area ponderosa pine
dmj_obr Demi John outbreak object
efk_defol East Fork defol object
efk_h East Fork Jemez River Douglas-fir
efk_nh Baca ponderosa pine chronology
efk_obr East Fork outbreak object
get_defol_events Defoliation event list
gsi Calculate the growth suppression index
id_defoliation Identify defoliation events in a host series
is.defol Check if object is tree-level defoliation object: 'defol'
is.obr Check if object is outbreak, meaning site-level outbreak object
obr Constructor for an 'obr' object.
outbreak Composite defoliation series to determine outbreak events
outbreak_stats Outbreak statistics
plot.defol Plot a 'defol' object
plot_defol Produce a Gantt plot of individual tree-ring series to show defoliation events in time
plot_outbreak Produce a stacked plot to present composited, site-level insect outbreak chronologies
sample_depth Calculate the sample depth of a defol object
series_names Extract series names from a defol object
stack_defoliation Stack a defoliation list