4042 search results for "git"

Identify 2/3 vacation photos, win $5 Starbucks gift card

March 29, 2013
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Identify 2/3 vacation photos, win $5 Starbucks gift card

I have a $5 Starbucks gift card that I simply can't remember to use; I've had it since Christmas. So, I will mail it (within the U.S.A.) to the first commenter who can identify the longitude/latitude (within 5km) where two of these three vacation photos were taken (photos below). ***Update 3/30/2013: locations A and C

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Facebook profile photo changes reveal trends in support for same-sex marriage

March 29, 2013
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Facebook profile photo changes reveal trends in support for same-sex marriage

On Tuesday and Wednesday this week, the US Supreme Court heard two landmark cases related to same-sex marriage rights in this country. Simultaneously, to show solidarity for the cause of civil rights for gay members of society, thousands of Facebook users changed their profile pictures to a red equality symbol at the suggestion of the Human Rights Campaign. Most...

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Creating a Business Dashboard in R

March 28, 2013
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Creating a Business Dashboard in R

Business dashboards are available in many shapes and sizes. Business dashboards are useful to create an overview of key performance indicators (KPIs) important for the business strategy and/or operations. There are many flavours of dashboard frameworks and apps available, ranging in price from thousands of dollars to open-source implementations. Apparently  Read more »

Benford law and lognormal distributions

March 28, 2013
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Benford law and lognormal distributions

Benford’s law is nowadays extremely popular (see e.g. http://en.wikipedia.org/…). It is usually claimed that, for a given set data set, changing units does not affect the distribution of the first digit. Thus, it should be related to scale invariant distributions. Heuristically, scale (or unit) invariance means that the density of the measure  (or probability function) should be proportional to...

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Creating a Business Dashboard in R

March 28, 2013
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Creating a Business Dashboard in R

Business dashboards are available in many shapes and sizes. Business dashboards are useful to create an overview of key performance indicators (KPIs) important for the business strategy and/or operations. There are many flavours of dashboard frameworks and apps available, ranging in price from thousands of dollars to open-source implementations. Apparently there are four key elements to a good dashboard: Simple, communicates easily Minimum distractions…it could cause...

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RForcecom – An R package provides the connection between R and Salesforce.com

March 28, 2013
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RForcecom – An R package provides the connection between R and Salesforce.com

In this post, I’ll introduce an R package RForcecom and its usage. As you may know, R statistical computing environment is the most populous statistical computing software, and Salesforce.com is the world’s most innovative cloud-computing based SaaS (Software-as-a-Service) CRM package.…Read more ›

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“Building ractives is so addictive it should be illegal!”

March 27, 2013
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clickme is an amazing R package. I was not sure what to expect when I first saw Nacho Caballero's announcement. I actually was both skeptical and intimidated, but neither reaction was justified. The examples prove its power, and his wiki tutorials ease...

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Build a search engine in 20 minutes or less

March 27, 2013
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Build a search engine in 20 minutes or less

…or your money back. author = "Ben Ogorek"Twitter = "@baogorek"email = paste0(sub("@", "", Twitter), "@gmail.com") Setup Pretend this is Big Data: doc1 <- "Stray cats are running all over the place. I see 10 a day!"doc2 <- "Cats are killers. They...

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TeXing R tables: Save yourself a lot of typing…

March 27, 2013
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TeXing R tables: Save yourself a lot of typing…

I want to share a function I wrote for my dissertation. The function is useful for putting up to two R tables into one TeX table.You have to load the package 'languageR' to have the dataset 'dative' available.Let's suppose you have two tables, one with...

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SciDB-R, a package for R, is now available

March 26, 2013
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SciDB-R, a package for R that lets R programmers perform massive-scale data-management and analytical tasks from inside R programs, is now available. You can download the package from GitHub here. It is also available on The Comprehensive R Archive Net...

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