How to filter string value in an attribute in RapidMiner
I have an attribute called Age. Some values in the Age Attribute is not integer at all. For example, 12W, 30Lo, Giraffe. I want to filter out values that are not an integer.
Solution
If you have mixed values, you should use the "Parse Numbers" operator to correctly handle the integer values. This operator has a parameter unparsable value handling, set this to "replace with missing", so all non-integer values are set to missing values. Afterwards, depending on your use case, you can simply continue your workflow or filter your examples to remove the examples with a missing value in the Age column.
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