Data Type: Difference between revisions

Latest revision as of 14:40, 25 May 2007

There are several uses of data type depending on the context. The following list is not to be seen comprehensive.

Synonym for Data Scale
Example: Spence, R.: Information Visualization - Design for Interaction (2nd Edition), Pearson Education, 2006

@@ Line 1: / Line 1: @@
-The '''data type''' of a parameter describes the kind of scale within which the values of a parameter might be given in.
+There are several uses of '''data type''' depending on the context. The following list is not to be seen comprehensive.
-*'''nominal:''' Unordered set (only = or != relations) <br>Example: film titles.
-*'''ordinal:''' Ordered set (=, !=, <, and > relations)<br>Example: film ratings.
-*'''discrete:''' Numeric range (Integer, arithmetic possible) <br>Example:film year.
-*'''continuous:''' Numeric range (Real/float numbers, arithmetic possible)<br>Example: film length.
-*'''binary:''' true or false (Boolean arithmetic)<br>Example: film available.
-Note: Other often used terms in relation to data types are ''qualitative'', ''quantitative'', and
-''categorical''. Whereas ''qualitative'' subsumes ''nominal'' and ''ordinal'', ''quantitative'' subsumes
-''discrete'' and ''continuous'', and ''categorical'' might be ''nominal'', ''ordinal'', or ''discrete'' data.
+*'''Synonym for [[Data Scale]]'''<br>Example: [[Spence, R.: Information Visualization - Design for Interaction (2nd Edition), Pearson Education, 2006]]
 [[Category:Glossary]]