Summary method for class "mkinfit"

Description

Lists model equations, the summary as returned by summary.modFit, the chi2 error levels calculated according to FOCUS guidance (2006) as far as defined therein, and optionally the data, consisting of observed, predicted and residual values.

Usage

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## S3 method for class 'mkinfit'
summary(object, data = TRUE, distimes = TRUE, alpha = 0.05, ...)
## S3 method for class 'summary.mkinfit'
print(x, digits = max(3, getOption("digits") - 3), ...)

Arguments

object

an object of class mkinfit.

x

an object of class summary.mkinfit.

data

logical, indicating whether the data should be included in the summary.

distimes

logical, indicating whether DT50 and DT90 values should be included.

alpha

error level for confidence interval estimation from t distribution

digits

Number of digits to use for printing

...

optional arguments passed to methods like print.

Value

The summary function returns a list derived from summary.modFit, with components, among others

version, Rversion

The mkin and R versions used

date.fit, date.summary

The dates where the fit and the summary were produced

use_of_ff

Was maximum or minimum use made of formation fractions

residuals, residualVariance, sigma, modVariance, df

As in summary.modFit

cov.unscaled, cov.scaled, info, niter, stopmess, par

As in summary.modFit

bpar

Optimised and backtransformed parameters

diffs

The differential equations used in the model

data

The data (see Description above).

start

The starting values and bounds, if applicable, for optimised parameters.

fixed

The values of fixed parameters.

errmin

The chi2 error levels for each observed variable.

bparms.ode

All backtransformed ODE parameters, for use as starting parameters for related models.

ff

The estimated formation fractions derived from the fitted model.

distimes

The DT50 and DT90 values for each observed variable.

SFORB

If applicable, eigenvalues of SFORB components of the model.

The print method is called for its side effect, i.e. printing the summary.

Author(s)

Johannes Ranke

References

FOCUS (2006) “Guidance Document on Estimating Persistence and Degradation Kinetics from Environmental Fate Studies on Pesticides in EU Registration” Report of the FOCUS Work Group on Degradation Kinetics, EC Document Reference Sanco/10058/2005 version 2.0, 434 pp, http://focus.jrc.ec.europa.eu/dk

Examples

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  summary(mkinfit(mkinmod(parent = list(type = "SFO")), FOCUS_2006_A, quiet = TRUE))

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