The output will be a JSON-encoded array. Each array element contains the following JSON object:
The count represents the number of values
The no-spec represents the number of values without spec
The in-spec represents the number of values within spec bandwidth
The offspec-internal represents the number of values off-spec in the internal spec range
The offspec-external represents the number of values off-spec in the external spec range
The avg represents the average of all the values of the field
The stddev represents the standard deviation of all the values of the field
The cp represents the Cp value
The cpk represents the Cpk value
The pp represents the Pp value
The ppk represents the Ppk value
The lcl represents the Computed value: Average - 3x standard deviation
The ucl represents the Computed value: Average + 3x standard deviation