fit: Fit Statistical Models

In TobieSurette/gulf.stats: Southern Gulf of St Lawrence Metadata

Fit Statistical Models

Description

Functions to fit statistical models to data.

Usage

fit(x, ...)

## S3 method for class 'variogram'
fit(x, model = "spherical", nugget = TRUE, distance.exponent = 0, inits, ...)

## S3 method for class 'morphometry.scsbio'
fit(x, y, z, n = 1, sex, theta, discrete = FALSE, print = FALSE, trace = 0)

Arguments

x	Data object or numeric vector representing a morphometric predictor variable..
model	Character string specifying the model type.
nugget	Logical value specifying whether a variogram model contains a nugget semi-variance parameter.
distance.exponent	Numeric value specifying the exponent to be applied in the distance metric. export
y	Numeric vector representing a morphometric response variable.
z	Binary classification vector classifying morphometric data into discrete maturity groups.
n	Number of observations for each (x,y) pair (optional).
sex	Biological sex which specifies the type of analysis or initial values to be applied.
theta	Parameter vector.
discrete	Logical value specifying whether to treat observations as discrete rounded values.
print	Logical value specifying whether to print information about progress during model fitting.
trace	Optimization control output (see optim).

Methods (by class)

• fit(variogram): Fit a model to empirical variogram data.

• fit(morphometry.scsbio): Fit a morphometric model to snow crab morphometric data.

TobieSurette/gulf.stats documentation built on Jan. 4, 2023, 4:19 p.m.