data manipulation, hadoop
I’ve spent some time lately to dig into the Hadoop ecosystem both from a product survey and some hands on. Here is some remarks about […]
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data manipulation, data warehouse
My last post discuss about SQL queries. Nevertheless, sometimes data came from differents databases. In such cases, it is no longer possible to use SQL. […]
Data manipulation is a big part of a data mining process. Some authors claims it could take 80% of a data mining project. I could […]
