A system for evaluating performance of a combine during operation of the combine, the system comprising: a processing device ; and a user interface having an input interface , and an output interface ; a non-transitory computer readable storage medium operably connected to the processing device and the user interface and storing a set of instructions that, when executed by the processor, cause the processor to: collect, from a plurality of sensors operably connected to the processing device, data related to the operation of the combine, the data including a plurality of position readings from one or more geographical position sensors, a plurality of operating parameter settings from one or more user-changeable operating features of the combine each operating parameter setting being associated with a respective one of the position readings, and a plurality of loss data readings from at least one loss sensor each loss data reading being associated with a respective one of the position readings, generate a display at the output interface illustrating a geographical map including at least a portion of the plurality of position readings, graphically indicate, on the geographical map, each loss data reading associated with each position reading illustrated on the geographical map at each position reading's respective location on the geographical map, and simultaneously represent additional data on the geographical map . a processing device ; and a user interface having an input interface , and an output interface ; a non-transitory computer readable storage medium operably connected to the processing device and the user interface and storing a set of instructions that, when executed by the processor, cause the processor to: collect, from a plurality of sensors operably connected to the processing device, data related to the operation of the combine, the data including a plurality of position readings from one or more geographical position sensors, a plurality of operating parameter settings from one or more user-changeable operating features of the combine each operating parameter setting being associated with a respective one of the position readings, and a plurality of loss data readings from at least one loss sensor each loss data reading being associated with a respective one of the position readings, generate a display at the output interface illustrating a geographical map including at least a portion of the plurality of position readings, graphically indicate, on the geographical map, each loss data reading associated with each position reading illustrated on the geographical map at each position reading's respective location on the geographical map, and simultaneously represent additional data on the geographical map . collect, from a plurality of sensors operably connected to the processing device, data related to the operation of the combine, the data including a plurality of position readings from one or more geographical position sensors, a plurality of operating parameter settings from one or more user-changeable operating features of the combine each operating parameter setting being associated with a respective one of the position readings, and a plurality of loss data readings from at least one loss sensor each loss data reading being associated with a respective one of the position readings, generate a display at the output interface illustrating a geographical map including at least a portion of the plurality of position readings, graphically indicate, on the geographical map, each loss data reading associated with each position reading illustrated on the geographical map at each position reading's respective location on the geographical map, and simultaneously represent additional data on the geographical map . <EOS>