481 search results for "register"

How to use Bioconductor to find empirical evidence in support of π being a normal number

March 14, 2014
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How to use Bioconductor to find empirical evidence in support of π being a normal number

Happy π day everybody! I wanted to write some simple code (included below) to the test parallelization capabilities of my  new cluster. So, in honor of  π day, I decided to check for evidence that π is a normal number. A … Continue reading →

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Bayesian Search Models

March 13, 2014
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Bayesian Search Models

Bayesian Search TheoryThe US had a pretty big problem on their hands in 1966. Two planes had hit each other during a in-flight refueling and crashed. Normally, this would be an unfortunate thing and terrible for the families of those involved in the crash but otherwise fairly limited...

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Confounding & collinearity

March 11, 2014
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Confounding & collinearity

(This article was first published on MATHEMATICS IN MEDICINE, and kindly contributed to R-bloggers) Confounding and collinearity Confounding and collinearity Introduction In this blog article, I will discuss about the bias introduced in estimation of coefficient of a given explanatory variable due to the presence of confounding factors. After that, I will try to demonstrate about the effect of...

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Lebanon shouldering Syria

March 10, 2014
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Lebanon shouldering Syria

The crisis that is Syria has had an incredible regional affect geopolitically, economically, and has required a significant response in humanitarian aid.  As the mass evacuation has occurred, surrounding countries are found hosting thousands of pe...

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Intraday data

March 9, 2014
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Intraday data

In the Intraday Backtest post I showed an example of loading and working with Forex Intraday data from the FXHISTORICALDATA.COM. Recently, I came across another interesting source of Intraday data at the Bonnot Gang site. Please note that you will have to register to get access to the Intraday data; the registration is free. Today,

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Hyperthreading FTW? Testing parallelization performance in R.

March 7, 2014
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Hyperthreading FTW? Testing parallelization performance in R.

Alright, let's test some parallelization functionalities in R.The machine:MacBook Air (mid-2013) with 8 GB of RAM and the i7 CPU (Intel i7 Haswell 4650U). This CPU is hyper-threaded, meaning (at least that's my understanding of it) that it has two...

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R-users.com: invite fellow R-users to Jobs, conferences, and R-projects

March 6, 2014
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R-users.com: invite fellow R-users to Jobs, conferences, and R-projects

Dear R users, I am happy to officially announce a new website called R-users.com. The idea of the site is that community members will invite other R users to join them in their R projects, conferences, and work places. This site is a “job board” for R users, hosting various “call to action” to R-users,

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Assign n Email Addresses to x Cells, Intrinsically

March 5, 2014
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Assign n Email Addresses to x Cells, Intrinsically Assign n Email Addresses to x Cells, IntrinsicallySample Use Case:Marketing requests that an email address list be divided randomly into a given number of cells so that each cell would receive a different version of...

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Using APIs in Python: a quick example

March 4, 2014
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Using APIs in Python: a quick example

Python has an extremely intuitive and straightforward way of dealing with APIs, and makes it simple for people like you or me to access and retrieve information from databases. Before I quickly describe how to use APIs in Python, maybe we should begin with: What is an API? API (Application Programming Interface): An API is a software intermediary

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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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