| MCI-package | Multiplicative Competitive Interaction (MCI) Model | 
| 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 | 
| 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 | Multiplicative Competitive Interaction (MCI) Model | 
| 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 |