| Declaration: | TFeatKind = (fkUndefined, fkInteger, fkDouble, fkString, fkTriState); |
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The type declaration TFeatKind defines the data types supported by the class TFeatureMatrix.
| Data Type |
Explanation |
| fkUndefined |
Undefined data type. This is the default data type after creating a feature matrix or after adding additional columns. The user has to set the FeatKind field of the feature properties to any of the data types listed below before being able to use the corresponding column. |
| fkInteger |
64-bit integer values |
| fkDouble |
Double precision floating point values |
| fkString |
Strings of any length |
| fkTriState |
Tri-state variables (boolean "true" and "false" plus "undefined") |
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