Find and replace missing values with other...
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Sometimes, it is helpful to replace a numerical attribute containing a missing value with a value from another attribute in the example row rather than using a constant such as an average or maximum value. This process generates some missing values, detects them and replaces with a calculation based on the value of another attribute. (Purists will be alarmed at the mathematical impossibility of taking the square root of a negative number).
The process detects missing values by subtracti...
Created: 2010-08-25
| Last updated: 2010-08-25