1. A method for processing missing values in measured data including a plurality of missing values, the method comprising: assigning weights to measured objects or measured items, according to a priority of the measured objects or measured items; selecting a set of the measured objects and measured items including the missing values having the smallest sum of the weights among a plurality of sets of the measured objects and measured items including the missing values; and removing the measured objects and measured items included in the selected set from the measured data.