Description Usage Arguments Examples
This function allows you to calculate the Holdridge Complexity Index and Mean Stand Diameter for pcqm data.
1 2 3 | plot.indices(x, plotnumber = "plotnumber", dbh = "dbh",
species = "species", height = "height", plot.width = 10,
plot.length = 10, sizebin = F)
|
plotnumber |
Column name in data frame for plot number (numerical). Default name is "plotnumber". First plot number must be 1. |
dbh |
Column name in data frame for diameter at breast height. Default name is "dbh". Values must be in centimeters. |
species |
Column name in data frame for species. Default name is "species". |
height |
Column name in data frame for height (Optional). Default name is "height". Values must be in meters. When included, additional height-related outputs are displayed. |
plot.width |
Plot width measured in meters. Default is 10 meters. |
plot.length |
Plot length measured in meters. Default is 10 meters. |
sizebin |
Logical argument for displaying size class plot (Default is FALSE). If sizebin = TRUE, three graphs are generated: (1) an illustration of diameter size class proportions: <5 cm, 5–10 cm, and >10 cm DBH; (2) an illustration of tree height size class proportions: <5, 5–10, and >10 m; and (3) a scatterplot of the relationship between DBH and height. |
1 2 | plot.indices(mangrove_data)
plot.indices(mangrove_data, plotnumber = "Plot", species = "Species", plot.width = 5, sizebin=T)
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