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dataset-weights returns weights of dataset instances

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Ronny Bjarnason 2011-07-14 14:28:46 -06:00
parent f776dd312a
commit 0641b48809
1 changed files with 5 additions and 0 deletions
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src/clj_ml/data.clj
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@ -297,6 +297,11 @@ If the class is nominal then the string value (not keyword) is returned."
(fn [^Instance i] (.classValue i)))] ;classValue returns the double
(map class-value (dataset-seq dataset))))
(defn dataset-weights
"Returns a lazy-seq of the weights of the dataset instances."
[^Instances dataset]
(map (fn [^Instance i] (.weight i)) (dataset-seq dataset)))
;; manipulation of instances
(defn instance-set-class