A dataset containing repeated size measurements for trees in 2 mapped
forest stands located in Mount Rainier National Park, WA, USA. Each row
represents a single measurement of a single tree. This is a subset of the
tree
dataset with a variety of errors intentionally added in order to
test and demonstrate the tree_check
function.
messy_tree
A data frame with 6501 rows and 7 variables:
unique identification code of the tree
name of stand in which tree is located
unique tag number of the tree
species identity of tree as a four letter code
year when measurement was taken
diameter at breast height of the tree at the time of measurement, in cm
tree mortality status with 1 meaning dead and 0 meaning alive
Raw data (without the induced errors) are available from the Pacific Northwest Permanent Sample Plot Network on request http://pnwpsp.forestry.oregonstate.edu/data