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Further details about Apache Pig join - Pig - [mail # user]
...Hi ,I have simplified the problem further and here are the details:in1.txt:null    null    <=6.9null    null    <7.0in2.txt:null null <=6.9nu...
   Author: Sameer Tilak, 2014-10-23, 06:42
A question about Pig join - Pig - [mail # user]
...Hi All,I have the following problem:This is a statement in my Pig script. cust_joined = JOIN cust_filtered BY (LOW, HIGH, NORMAL), cust_conversion BY (Low, High, Normal);When Datatypes are c...
   Author: Sameer Tilak, 2014-10-23, 06:23
[expand - 1 more] - RE: MLLib libsvm format - Spark - [mail # user]
...Great, I will sort them.Sent via the Samsung GALAXY S®4, an AT&T 4G LTE smartphone-------- Original message --------From: Xiangrui Meng  Date:10/21/2014  3:29 PM  (GMT-08:00) ...
   Author: Sameer Tilak, 2014-10-21, 22:34
[expand - 2 more] - RE: MLLib Linear regression - Spark - [mail # user]
...Hi Xiangrui,Changing the default step size to 0.01 made a huge difference. The results make sense when I use A + B + C + D. MSE is ~0.07 and the outcome matches the domain knowledge. I was w...
   Author: Sameer Tilak, 2014-10-08, 14:22
[expand - 1 more] - RE: MLLib: Missing value imputation - Spark - [mail # user]
...Thanks, Xiangrui and Debashish for your input. Date: Wed, 1 Oct 2014 08:35:51 -0700Subject: Re: MLLib: Missing value imputationFrom: [EMAIL PROTECTED]To: [EMAIL PROTECTED]CC: [EMAIL PROTECTE...
   Author: Sameer Tilak, 2014-10-01, 19:02
[expand - 2 more] - RE: MLUtils.loadLibSVMFile error - Spark - [mail # user]
...Hi Liquan,Thanks. I was running this in spark-shell. I was able to resolve this issue by creating an app and then submitting it via spark-submit in yarn-client mode. I have seen this happeni...
   Author: Sameer Tilak, 2014-09-25, 16:47
MLLib regression model weights - Spark - [mail # user]
...Hi All,I am able to run LinearRegressionWithSGD on a small sample dataset (~60MB Libsvm file of sparse data) with 6700 features. val model = LinearRegressionWithSGD.train(examples, numIterat...
   Author: Sameer Tilak, 2014-09-18, 17:30
[expand - 2 more] - RE: MLLib: LIBSVM issue - Spark - [mail # user]
...Thanks, will try it out today.Date: Wed, 17 Sep 2014 23:04:31 -0700Subject: Re: MLLib: LIBSVM issueFrom: [EMAIL PROTECTED]To: [EMAIL PROTECTED]CC: [EMAIL PROTECTED]; [EMAIL PROTECTED]We dump...
   Author: Sameer Tilak, 2014-09-18, 17:24
RDD projection and sorting - Spark - [mail # user]
...Hi All,I have data in for following format:L1st column is userid and the second column onward are class ids for various products. I want to save this in Libsvm format and an intermediate ste...
   Author: Sameer Tilak, 2014-09-16, 18:49
MLLib sparse vector - Spark - [mail # user]
...Hi All,I have transformed the data into following format: First column is user id, and then all the other columns are class ids. For a user only class ids that appear in this row have value ...
   Author: Sameer Tilak, 2014-09-15, 18:29
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