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pig question - Pig - [mail # user]
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...Hi, I have data of format id1,id2, value 1 , abc, 2993 1, dhu, 9284 1,dus,2389 2, acs,29392 and so on For each id1, I want to find the maximum value and then divide ...
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Author: jamal sasha,
2013-04-27, 09:32
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count duplicate entries - Pig - [mail # user]
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...Hi, I have data in hdfs like: id1,field1,field2 1,2,3 1,2,3 1,2,4 1,2,5 I want to find the number of unique entries using pig.. So here, number of unique entries are 3 ( as 1,2,3...
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Author: jamal sasha,
2013-04-02, 18:05
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Re: Join question - Pig - [mail # user]
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...Hi, Yeah, there was a bug in my "stats" data. I was wondering how can I calcualte average in pig.. Something like : http://stackoverflow.com/questions/12593527/finding-mean-using-pig-...
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Author: jamal sasha,
2013-04-01, 22:44
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Join question - Pig - [mail # user]
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...Hi, I have a simple join question. base = load 'input1' USING PigStorage( ',' ) as (id1, field1, field2); stats = load 'input2' USING PigStorage(',') as (id1, mean, median); jo...
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Author: jamal sasha,
2013-04-01, 21:06
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ignoring null entries - Pig - [mail # user]
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...Hi, I have data as : id1:string, value1:string Sometimes id is missing so the data looks like: foo,foobar ,foo1 foobar,bar1 , .... I want to remove missing values So the output should...
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Author: jamal sasha,
2013-03-29, 20:01
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what happens under the hood - Pig - [mail # user]
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...Hi, I am trying to dig deep on the workings of pig libraries. So can someone help me understand what happens when someone does: in = load 'in.txt' using PigStorage(',') as...
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Author: jamal sasha,
2012-12-20, 00:23
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Fwd: error - Pig - [mail # user]
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...Eh sorry nf0 = foreach gruped generate features.id,features.f0/mf0; Should be nf0 = foreach gruped generate data.id,data.f0/mf0; From: jamal sasha Date: Wednesday, December 12, 2...
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Author: jamal sasha,
2012-12-12, 19:25
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error - Pig - [mail # user]
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...mf0 = LOAD 'max.txt’ AS (maxi:double); data = LOAD '/axp/rimimsat/userdata/msing137/hadoop_streaming/final_anomaly_detection/step3/output' USING PigStorage(',') &nb...
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Author: jamal sasha,
2012-12-12, 19:23
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Re: need help about pig script on this case - Pig - [mail # user]
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...On a different context, I was once stuck with the same problem but was able to navigate this using bincond operator. http://ofps.oreilly.com/titles/9781449302641/intro_pig_latin.html Not sur...
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Author: jamal sasha,
2012-11-20, 02:34
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bincod evaluation - Pig - [mail # user]
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...Hi, I am trying to replace missing values with a precomputed value. But I am getting an error. So here is my code: Input = LOAD ‘data.txt’ USING PigStor...
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Author: jamal sasha,
2012-11-15, 15:53
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