Kostiantyn's blog
My tech blog. Java development and other
понеділок, 30 вересня 2013 р.
RHadoop
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The short history how R meets Hadoop: Hadoop + R via streaming This one So, R through Streaming on Hadoop was discussed in a pr...
субота, 28 вересня 2013 р.
Hadoop + R via streaming
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The short history how R meets Hadoop R is language for Stats, Math and Data Science created by statisticians for statisticians. It cont...
четвер, 5 вересня 2013 р.
Useful unix commands
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1. Let's assume you have very long CSV file and you wish to find all non-empty columns #25, so: tail -n +1 data.csv | cut -d ',...
вівторок, 3 вересня 2013 р.
Several Apache Pig trips and ticks
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1. Counters in Pig PigStatusReporter reporter = PigStatusReporter . getInstance (); if ( reporter != null ) { reporter . getCoun...
субота, 10 серпня 2013 р.
goldman bigdata analysis 2013
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from http://architects.dzone.com/articles/goldman-sachs-–-big-data
пʼятниця, 9 серпня 2013 р.
Hadoop on Rasberry Pi
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As i had thought, Hadoop was installed on Rasberry Pi cluster. Read more in the creator blog
четвер, 25 липня 2013 р.
Market basket analysis with R
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Affinity analysis is a data analysis and data mining technique that discovers co-occurrence relationships <...>. In retail, affinity a...
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