clutter_mod: Construction of stand growth model based on Clutter model.

In forestGYM: Forest Growth and Yield Model Based on Clutter Model

Construction of stand growth model based on Clutter model.

Description

Construction of stand growth model based on Clutter model.

Usage

clutter_mod(growthdata,object="coef")

Arguments

growthdata	The data used to construct the stand growth model is in the format of data.frame and includes at least t1, t2, G1, G2, M1, M2, and SI. For specific meanings, see standgrowth.
object	object is a type of fitted model object. It has methods for the generic functions anova, coef, confint, deviance, df.residual, fitted, formula, logLik, predict, print, profile, residuals, summary, vcov and weights.see Details of nls function.

Details

Construction of stand growth model based on Clutter model.

Value

The returned data format is a list, data summary for Clutter model.

Author(s)

Zongzheng Chai, [e-mail]

References

Clutter, J. L. (1963) Compatible Growth For Loblolly by the Southeastern, Forest Science, 9(3), pp. 354–371. Sullivan, A. D. and Clutter, J. L. (1972) A Simultaneous Growth and Yield for Loblolly Pine, Forest Science, 18(1), pp. 76–86.

Examples

data(standgrowth)
clutter_mod(growthdata=standgrowth,object="coef")

forestGYM documentation built on April 3, 2025, 6:12 p.m.