user manual

56
Chapter 5
Figure 5-15
Setting general options for a stream
Decimal symbol. Select either a comma (,) or a per iod (.) as a de cimal separator.
Grouping symbol. For number display formats, select t he symbol used to group values (for example,
the comma in 3,000.00). Options include none, period, comma, space, and locale-defined (in
which case the d efault for the current locale is used).
Encoding. Specify the stream default method for text encoding. (Note: Applies to Var. File
source node and Flat File export node only. No oth er nodes use this setting; most data files have
embedd ed encoding information.) You can choose eithe r the system default or UTF-8. The
system default is specified in the Windows Control Panel or, if running in distribute d mode, on the
server computer. For more information, see th e topic Unicode Support in IB M SPSS Modeler
in Appendix B on p. 248.
Ruleset Evaluation. Determines how rule set models are evaluated. B y default, rule sets use Voting
to combine pr edictions from individual rules and determine the final prediction. To ensure t hat
rule sets use the first hit ru le by default, select First Hit. Note t hat this option does not apply to
Decision List models, which always use the first hit as defined by the algorithm.