853 search results for "SQL"

Using MonetDB[Lite] with real-world CSV files

November 11, 2015
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MonetDBLite (for R) was announced/released today and, while the examples they provide are compelling there’s a “gotcha” for potential new folks using SQL in general and SQL + MonetDB + R together. The toy example on the site shows dumping mtcars with dbWriteTable and then doing things. Real-world CSV files have headers and commas (MonetDB

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Launch Apache Spark on AWS EC2 and Initialize SparkR Using RStudio

November 10, 2015
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Launch Apache Spark on AWS EC2 and Initialize SparkR Using RStudio

This post was first published on SparkIQ Labs’ blog and re-posted on my personal blog. Introduction In this blog post, we shall learn how to launch a Spark stand alone cluster on Amazon Web Services (AWS) Elastic Compute Cloud (EC2) for analysis of Big Data. This is a continuation from our previous blog, which showed us how to

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Data Science Workbench for Ubuntu 14.04

October 30, 2015
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I found myself installing the same things over and over again on my VMs, so I decided to pack all my good DSR workbench action into one giant shell script that I could run and walk away from. Below is my markdown file, you can grab the shell scripts at my GitHub page. The script

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R and Impala: it’s better to KISS than using Java

October 29, 2015
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R and Impala: it’s better to KISS than using Java

One of the best things I like in working at CARD.com is that I am...

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R Articles at Simple Talk

October 28, 2015
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R Articles at Simple Talk

R Articles at Simple TalkTwo articles about R posted at the Simple Talk blog in the last few weeks:Visualizing Data with RSQL and R

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Log files exploration with Oracle Big Data Discovery 1.1

Log files exploration with Oracle Big Data Discovery 1.1

In a previous post, we described how we performed exploratory data analysis (EDA) in real-world log files, as provided by Skroutz.gr, the leading online company in Greece for online price comparison, in the context of Athens Datathon 2015. In the present post we will have a look at the same job as performed with Oracle Big Data Discovery (v....

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Introducing the dplyrXdf package

October 20, 2015
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The dplyr package is a popular toolkit for data transformation and manipulation. Over the last year and a half, dplyr has become a hot topic in the R community, for the way in which it streamlines and simplifies many common data manipulation tasks. Out of the box, dplyr supports data frames, data tables (from the data.table package), and the...

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Data Mining Standard Process across Organizations

October 18, 2015
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Data Mining Standard Process across Organizations

Recently I have come across a term, CRISP-DM - a data mining standard. Though this process is not a new one but I felt every analyst should know about commonly used Industry wide process. In this post I will explain about different phases involved in creating a data mining solution. CRISP-DM, an acronym for Cross Industry Standard...

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Integrating Python and R into a Data Analysis Pipeline – Part 1

October 7, 2015
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For a conference in the R language, EARL London 2015 saw a surprising number of discussions about Python. I like to think that at least some of this was to do with the fact that the day before the conference, … Continue reading →

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Web Programmer in Milan, Italy

October 5, 2015
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Web Programmer in Milan, Italy

Quantide, sponsor and organization engine behind Milano

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