DIY1                    Distance matrix for DIY stores
DIY2                    DIY store information
DIY3                    Data for origins (DIY store customers' places
                        of residence)
Freiburg1               Distance matrix for grocery stores in Freiburg
Freiburg2               Statistical districts of Freiburg
Freiburg3               Grocery stores in Freiburg
MCI-package             Multiplicative Competitive Interaction (MCI)
                        Model
geom                    Geometric mean
grocery1                Grocery store choices in Goettingen
grocery2                Grocery store market areas in Goettingen
huff.attrac             Local optimization of attraction values in the
                        Huff Model
huff.decay              Distance decay function in the Huff model
huff.fit                Fitting the Huff model using local optimization
                        of attractivity
huff.lambda             Fitting the distance parameter lambda in the
                        Huff model
huff.shares             Huff model market share/market area simulations
ijmatrix.create         Interaction matrix with market shares
ijmatrix.crosstab       Converting interaction matrix with market
                        shares to crosstable
ijmatrix.shares         Market shares in interaction matrix
lm.beta                 Beta regression coefficients
mci.fit                 Fitting the MCI model
mci.shares              MCI market share/market area simulations
mci.shares.elast        Market share elasticities
mci.transmat            Log-centering transformation of an MCI
                        interaction matrix
mci.transvar            Log-centering transformation of one variable in
                        an MCI interaction matrix
model.fit               Goodness of fit statistics for the Huff model
shares.segm             Segmentation of market areas by a criterion
shares.total            Total market shares/market areas
shopping1               Point-of-sale survey in Karlsruhe
shopping2               Distance matrix for the point-of-sale survey in
                        Karlsruhe
shopping3               Market area data for the point-of-sale survey
                        in Karlsruhe
shopping4               Grocery store data for the point-of-sale survey
                        in Karlsruhe
var.asdummy             Creating dummy variables
var.correct             Correcting MCI input variables
