Calibration of urban residential models has long been an area of confusion and apprehension for prospective model users. With the evolution of entropy-maximizing model formulations there has been new progress made toward resolving the calibration problem. Most of this progress has assumed the availability of spatial-interaction data (the Tij matrix). Many situations arise where singly constrained models are to be calibrated, for example, residential- or retail-location models, in the absence of this data. This paper describes a method which has been successfully used for calibrating urban residential models of such a type.
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