Monthly Archives: March 2014

Call for Presentations – EARL Conference, London

March 3, 2014
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The EARL (Effective Applications of the R Language) Conference takes place in London on the 16th and 17th September 2014. It will provide an opportunity for those using and developing the open source statistical programming language R to share and discuss their innovative practices of the R Language. The Conference will create opportunities for: • The post

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Exploratory data analysis techniques

March 3, 2014
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Exploratory data analysis techniques

In my previous blog post I have explained the steps needed to solve a data analysis problem. Going further, I will be discussing in-detail each and every step of Data Analysis. In this post, we shall discuss about exploratory Analysis.What is Exploratory Analysis?“Understanding data visually”Exploratory Analysis means analyzing the datasets to summarize their main characteristics,...

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Rewriting plot.qcc using ggplot2 and grid

March 3, 2014
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Rewriting plot.qcc using ggplot2 and grid

A new ggplot2-based implementation of control charts for the #RStats package qcc, and some lessons learned along the way.

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Warholing Grace With Clara

March 3, 2014
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Warholing Grace With Clara

Do not believe anything: what artists really do is to hang around all day (Paco de Lucia) Andy Warhol was mathematician. At least, he knew how clustering algorithms work. I am pretty sure of this after doing this experiment.  First of all, let me introduce you to the breathtaking Grace Kelly: In my previous post

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LEARN TO USE QUANDL IN R: A FREE R TUTORIAL WITH A SHIELD

March 3, 2014
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LEARN TO USE QUANDL IN R: A FREE R TUTORIAL WITH A SHIELD

Quandl is a “wikipedia” for numerical data that allows you to search rapidly through 8 million ready-to-use data sets. At DataCamp we created a free in-browser coding tutorial on how to use the corresponding R package to access Quandl data from within R.    As every real world data analyst knows, finding and formatting numerical data for

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Plotting an Odd number of plots in single image

March 3, 2014
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Plotting an Odd number of plots in single image

Sometimes I have the need to reduce the number of images for a presentation or an article. A good way of doing it is putting multiple plot on the same tif or jpg file.R has multiple functions to achieve this objective and a nice tutorial for this topic...

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rCharts with slidy

March 3, 2014
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My last post I talked about using rCharts to create interactive graphics for my interview presentations. They seemed to go over pretty well in my interviews and helped me greatly as I did not need to remember or write down specific numbers to talk about. I use slidy to create my HTML slideshows and there was some...

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Seventh Torino R net meeting, free spatial data analysis workshop and R introductory course

March 3, 2014
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Seventh Torino R net meeting, free spatial data analysis workshop and R introductory course

Seventh Torino R net meeting on 27 Mar 2014, exceptionally hosted at Polo Universitario di Asti, will have three presentations: Processing and analysis methods for DNA methylation array data, Giovanni Fiorito, Complex Systems for Life Sciences, University of Turin; Temporal Dominance of Sensations (TDS) … Continue reading →

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Presentations of the sixth Torino R net meeting are online

March 3, 2014
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Presentations of the sixth Torino R net meeting are online

Presentations of the sixth Torino R net meeting are now available on line, section Downloads. Thank you to all who attended the meeting on Thursday 21th November and special thanks to presenters. … Continue reading →

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Consecutive Numbers in Lottery Draws

March 2, 2014
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A historian, a data scientist, a programmer, a mathematician, and a philosopher discuss the question, how likely it is that a lottery draw (6 out of 49) contains two consecutive numbers. The historian The historian argues that from 1955 up to 2011, there were 5026 lottery draws in Germany, every Saturday, and from 2000 on, two draws every...

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