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https://issues.apache.org/jira/browse/SPARK-6523?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Joseph K. Bradley closed SPARK-6523.
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Resolution: Not a Problem
> Error when get attribute of StandardScalerModel, When use python api
> --------------------------------------------------------------------
>
> Key: SPARK-6523
> URL: https://issues.apache.org/jira/browse/SPARK-6523
> Project: Spark
> Issue Type: Bug
> Components: Examples, MLlib, PySpark
> Affects Versions: 1.3.0
> Reporter: lee.xiaobo.2006
>
> test code
> =======================================
> from pyspark.mllib.util import MLUtils
> from pyspark.mllib.linalg import Vectors
> from pyspark.mllib.feature import StandardScaler
> conf = SparkConf().setAppName('Test')
> sc = SparkContext(conf=conf)
> data = MLUtils.loadLibSVMFile(sc, "data/mllib/sample_libsvm_data.txt")
> label = data.map(lambda x: x.label)
> features = data.map(lambda x: x.features)
> scaler1 = StandardScaler().fit(features)
> print scaler1.std # error
> sc.stop()
> -----------------------------------------------
> error:
> Traceback (most recent call last):
> File "/data1/s/apps/spark-app/app/test_ssm.py", line 22, in <module>
> print scaler1.std
> AttributeError: 'StandardScalerModel' object has no attribute 'std'
> 15/03/25 12:17:28 INFO Utils: path =
> /data1/s/apps/spark-1.4.0-SNAPSHOT/data/spark-eb1ed7c0-a5ce-4748-a817-3cb0687ee282/blockmgr-5398b477-127d-4259-a71b-608a324e1cd3,
> already present as root for deletion.
> =================================
> Another question, how to serialize or save the scaler model ?
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