A SampledData provides a concise way to handle the data produced by devices that sample a particular physical state at a high frequency. A typical use for this is for the output of an Electrocardiogram (ECG or EKG) device. The data type includes a series of raw decimal values (which are mostly simple integers), along with adjustments for scale and factor. These are interpreted such that:
original measured value[i] = SampledData.data[i] * SampledData.scaleFactor + SampledData.origin.value
The digits are a set of decimal values separated by a single space (Unicode character u20). In addition to decimal values, the special values “E” (error), “L” (below detection limit) and “U” (above detection limit) can also be used. If there is more than one dimension, the different dimensions are interlaced – all the data points for a particular time are represented together. SampledData is used in the ‘Observation’.