public class WordStandardDeviation
extends org.apache.hadoop.conf.Configured
implements org.apache.hadoop.util.Tool
Modifier and Type | Class and Description |
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static class |
WordStandardDeviation.WordStandardDeviationMapper
Maps words from line of text into 3 key-value pairs; one key-value pair for
counting the word, one for counting its length, and one for counting the
square of its length.
|
static class |
WordStandardDeviation.WordStandardDeviationReducer
Performs integer summation of all the values for each key.
|
Constructor and Description |
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WordStandardDeviation() |
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