Qualifier variables describe the results of an observation with text or numeric values.it is divided into 5 subclass which are listed below
1.Grouping Qualifiers—These are used to group together a collection of observations within the same domain.
2. Synonym Qualifier—- It specify the alternative name of a particular variables.
3. Result qualifier— It describes the specific result associated with the topic variable for a finding.it is the answer to the question raised by the topic variable.
4. Variable qualifier– These are used to further modify or describe a specific variable within an observation and it only meaningful in the context of the variable if they qualify.
5. Record qualifier-it defines the additional attributes of the observations.
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The way these subclasses of Qualifier Variables are explained here is commendable! Each subclass distinct purpose and role are highlighted brilliantly. This clarity is invaluable for anyone diving into clinical SAS. Best Air Conditioning and Heating Services in Kennett Square
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