A method is disclosed. The method includes receiving, by one or more processors, a plurality of data values generated by one or more functional apparatuses. The processors group sets of data values from the plurality of data values. The processors, for each set of data values, determine a number of data values that pass a first predetermined threshold value, create a data point comprising the number of data values in the set of data values, a start time, and an end time, and store the data point when the number of data values in the data point pass a second predetermined threshold value. The processors analyze a group of data points created in step c) to determine if a total number of data values in the group of data points pass a criteria. The processors perform additional processing, if the total number of data values passes the criteria.
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