8000 Fix to Attribute Indexing by jpbarddal · Pull Request #56 · Waikato/moa · GitHub
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Fix to Attribute Indexing #56

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Merged
merged 1 commit into from
May 12, 2016
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Fix to Attribute Indexing #56

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8 changes: 4 additions & 4 deletions moa/src/main/java/com/yahoo/labs/samoa/instances/Instances.java
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Original file line number Diff line number Diff line change
Expand Up @@ -59,7 +59,7 @@ public class Instances implements Serializable {
/**
* A Hash that stores the indices of features.
*/
protected HashMap<Attribute, Integer> hsAttributesIndices;
protected HashMap<String, Integer> hsAttributesIndices;

/**
* Instantiates a new instances.
Expand Down Expand Up @@ -564,18 +564,18 @@ protected String stringWithoutHeader() {
* @param att, the attribute.
*/
protected int indexOf(Attribute att) {
return this.hsAttributesIndices.get(att);
return this.hsAttributesIndices.get(att.name());
}

/**
* Completes the hashset with attributes indices.
*/
private void computeAttributesIndices() {
this.hsAttributesIndices = new HashMap<Attribute, Integer>();
this.hsAttributesIndices = new HashMap<String, Integer>();
// iterates through all existing attributes
// and sets an unique identifier for each one of them
for (int i = 0; i < this.numAttributes(); i++) {
hsAttributesIndices.put(this.attribute(i), i);
hsAttributesIndices.put(this.attribute(i).name(), i);
}
}

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