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question about machine learning on Hive - Hive - [mail # user]
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...How to run machine learning algorithms (whatever ML algorithms) directly in Hive? assume the input and output already stored as Hive tables. ps: I know mahout is available there, but w...
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Author: qiaoresearcher,
2013-01-17, 21:23
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hive regular expression - Hive - [mail # user]
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...Assume there are strings like 'afewexcvgregre&MovieTitle=321grgrdg&olfll3onsl' or '?MovieTitle=949303sjkskld&sososodn' how to extract 'MovieTitle=321grgrdg' or 'Movi...
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Author: qiaoresearcher,
2012-12-26, 18:46
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how to transform the date format in hive? - Hive - [mail # user]
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...Hi All, Assume we have two time stamp like: 9/15/2002 8:05 and 9/15/2002 9:05 if we need to evaluate the difference of these two time stamp...
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Author: qiaoresearcher,
2012-11-21, 23:15
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Re: how to obtain the latest record for each user in a hive table? - Hive - [mail # user]
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...Hi Edward, thanks for you reply. right now my solution is: 1) 1st step, run: select concat(user_id,max(visiting_time)) from table , then we have something like: user1-time...
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Author: qiaoresearcher,
2012-11-19, 23:30
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how to obtain the latest record for each user in a hive table? - Hive - [mail # user]
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...The table format is something like: user_id visiting_time visiting_web_page user1 time11 ...
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Author: qiaoresearcher,
2012-11-19, 21:02
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need help on writing hive query - Hive - [mail # user]
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...The table format is something like: user_id visiting_time visiting_web_page user1 time11 ...
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Author: qiaoresearcher,
2012-11-03, 03:35
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need help on writing hive query - Hive - [mail # user]
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...Hi all, here is the question. Assume we have a table like: user_id || user_visiting_time || user_current_web_page || &...
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Author: qiaoresearcher,
2012-10-31, 21:18
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how to select a specific row from the table using hive, say, row 10, - Hive - [mail # user]
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Author: qiaoresearcher,
2012-10-04, 15:05
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