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MCI (version 1.0.1)

Multiplicative Competitive Interaction (MCI) Model

Description

The Multiplicative Competitive Interaction (MCI) Model by Nakanishi & Cooper (1974) is an econometric model for analyzing market shares and/or market areas. The functions in this package include fitting the MCI model, the log-centering transformation of MCI datasets and tools for data preparation.

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Version

Install

install.packages('MCI')

Monthly Downloads

124

Version

1.0.1

License

GPL (>= 2)

Maintainer

Thomas Wieland

Last Published

April 24th, 2016

Functions in MCI (1.0.1)

mci.transmat

Log-centering transformation of an interaction matrix
grocery1

Grocery store choices in Goettingen
mci.transvar

Log-centering transformation of one variable in an interaction matrix
grocery2

Grocery store market areas in Goettingen
MCI-package

Multiplicative Competitive Interaction (MCI) Model
ijmatrix.create

Interaction matrix with market shares
ijmatrix.shares

Market shares in interaction matrix
var.check

Checking MCI input variables
var.correct

Correcting MCI input variables
ce

Market areas of consumer electronic stores
var.asdummy

Creates dummy variables
mci.fit

Fitting the MCI model
geom

Geometric mean