Description Usage Arguments Value Author(s)
View source: R/regRatioDataSelect.R
This function selects the data for fitting regression model between basal area and whole stem volume, and for ratios to whole stem volume in VRI compiler. The regreesion method is used for derive whole stem volume for the trees that just have DBH information. The ratio method is used to derive netted merchantable volume for the trees that do not have call grading information. The data selection should be done annually at the end of every March to allow newer and higher quaulity data enter the data.
1 | regRatioDataSelect(sampledata, alltreedata)
|
sampledata |
data.table, The data contains the sample level information. |
alltreedata |
data.table, The is the data pool which contains the full/enhanced trees and H-enhanced trees. |
Selected data for regression and ratio.
Yong Luo
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