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Mansour Raad
675 followers -
Loving Life
Loving Life

675 followers
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ArcGIS, Spark & MemSQL Integration
ArcGIS, Spark & MemSQL Integration
thunderheadxpler.blogspot.com
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Calculating weighted variance using Spark
Spark provides a stat() function on a DoubleRDD to calculate in a robust way the count, mean and standard deviation of the double values. The inputs are unweighted (or all have a weight of 1), and I ran into a situation where I needed to perform the statist...
Calculating weighted variance using Spark
Calculating weighted variance using Spark
thunderheadxpler.blogspot.com
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Posted "A Whale, an Elephant, a Dolphin and a Python walked into a bar...." - http://thunderheadxpler.blogspot.com/2015/02/a-whale-elephant-dolphin-and-python.html

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A Whale, an Elephant, a Dolphin and a Python walked into a bar....
This project started simply as an experiment in trying to execute a Spark job that writes to specific path locations based on partitioned key/value tuples. Once I figured out the usage of rdd.saveAsHadoopFile with a customized MultipleOutputFormat implement...
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Accumulo and Docker
If you want to experiment with BigData and Accumulo , then you can use docker to build an image and run a single node instance using this docker project. In that container, you will have a single instance of Zookeeper, YARN, HDFS and Accumulo. You can 'hado...
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Scala Hexagon Tessalation
I've committed myself for 2015 to learn Scala , and I wish I did that earlier after 20 years of Java (wow, that makes me sound old :-).  I've placed on Github a simple Scala based library to compute the row/column pair of a planar x/y value on a hexagonal g...
Scala Hexagon Tessalation
Scala Hexagon Tessalation
thunderheadxpler.blogspot.com
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