890 search results for "SQL"

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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SparkR quick start that works

October 4, 2015
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SparkR quick start that works

If you’re following along the SparkR Quick Start, you’ll notice that the instructions are not consistent with a more recent …Continue reading →

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Recruiting Analysts for dynamic cutting edge public sector team

October 3, 2015
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Recruiting Analysts for dynamic cutting edge public sector team

The jobs Within the New Zealand Ministry of Business, Innovation and Employment, the Sector Trends team has recently secured resourcing for additional analysts on a range of statistical programmes. That’s the team that I usually manage, although for the next few months I’m doing a stint on a similar team, different topics. The formal details and position descriptions...

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Lewis Rendell: What I Learnt At Mango Solutions

September 29, 2015
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Lewis Rendell: What I Learnt At Mango Solutions

By Lewis Rendell, R Consultant Intern, Mango Solutions As a mathematics and statistics student, R has been invaluable during my studies. With the number of packages available for data analysis and the ease with which simple and complex functions can … Continue reading →

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Shiny CRUD App

September 27, 2015
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Shiny CRUD App

In this post, we write a shiny app that lets you display and modify data that is stored in a database table. Shiny and Databases Everybody loves Shiny, and rightly so. It lets you publish reproducible research, brings R applications to non-R users, and can even serve as a general purpose GUI for R code. The post

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Adding Authentication to Shiny Open Source Edition

September 24, 2015
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Adding Authentication to Shiny Open Source Edition

Shiny Server is a great solution for BI/analytics reporting. It leverages the power of the R language to create interactive reports/dashboards. May be you have tried it but are reclutant to use it in production because it lacks any authentication on i...

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