cdModel: Fit Cobb-Douglas models

Description Usage Arguments Value Examples

View source: R/Fitting.R

Description

Fit Cobb-Douglas models

Usage

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cdModel(formula, data, response, x1, x2, x3, time, constrained = TRUE,
  save.data = TRUE, correlation = NULL, ...)

Arguments

data

a data frame in which formula is evaluated

response

instead of specifying a formula, expressions for the components can be specified individually.

x1

instead of specifying a formula, expressions for the components can be specified individually.

x2

instead of specifying a formula, expressions for the components can be specified individually.

x3

instead of specifying a formula, expressions for the components can be specified individually.

time

instead of specifying a formula, expressions for the components can be specified individually.

constrained

a logical indicating whether the parameters should be constrained in the fitting process.

formala

a formula of the form response ~ x1 + x2 + time or response ~ x1 + x2 + x3 + time

Value

a CDEmodel object, which is an lm object with some additioanl attributes.

Examples

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data(EconUK)
cdModel(response = "iGDP", x1 = "iK", x2 = "iL", time = "iYear", data = EconUK)
cdModel(iGDP ~ iK + iL + iYear, data = EconUK)

EconModels/MacroGrowth documentation built on Oct. 30, 2018, 11:13 a.m.