880 search results for "how to import image file to R"

How to Import MS Excel Data into R

September 26, 2009
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How to Import MS Excel Data into R

s Sir Francis Bacon said, “Histories make men wise; poets witty; the mathematics subtile; natural philosophy deep; moral grave; logic and rhetoric able to contend.” And Windows stupid. He should have added the last sentence if he were a Windows user in this age. 1. Avoid Using M$ Excel A lot of R users often ask this question:

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seeking altruistic social scientists, demographers, survey researchers

September 30, 2014
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seeking altruistic social scientists, demographers, survey researchers

hi everyone, please share this:  if you are an experienced user of a publicly-available survey data set from any country or international organization, let's work together on some user-friendly code and a short blog post for http://asdfree.com.&nb...

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Deep Down Below – Using in-database analytics from within Tableau (with MADlib)

September 28, 2014
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Deep Down Below – Using in-database analytics from within Tableau (with MADlib)

Introduction Using Tableau for visualizing all kinds of data is quite a joy, but it’s not that strong on build-in analytics or predictive features. Tableaus integration of R was a huge step in the right direction (and I love it very much - see here, here and here) but still has some limitations (e.g. no RAWSQL...

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Stage abundances, eigenvector of population matrix

September 28, 2014
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Stage abundances, eigenvector of population matrix

The previous article introduced the seasonal matrices and the population growth rate λ of imaginary annual plant.  This article focuses on  the meaning of the eigenvector at first, and then … Continue reading →

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Canned Regular Expressions: qdapRegex 0.1.2 on CRAN

September 27, 2014
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Canned Regular Expressions: qdapRegex 0.1.2 on CRAN

We’re pleased to announce first CRAN release of qdapRegex! You can read about qdapRegex or skip right to the examples. qdapRegex is a collection of regular expression tools associated with the qdap package that may be useful outside of the context … Continue reading →

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FIFA 15 Analysis with R

September 26, 2014
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FIFA 15 Analysis with R

Several months ago, I used R to analyze professional soccer players based on their attributes from the video game, FIFA14. Now that FIFA15 is upon us, let's take a similar look.FIFA 15 is a video game by EA Sports that mimics the experience of managing and playing for a soccer team. The game uses the likenesses and attributes...

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Adding Google Drive Times and Distance Coefficients to Regression Models with ggmap and sp

September 24, 2014
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Adding Google Drive Times and Distance Coefficients to Regression Models with ggmap and sp

Space, a wise man once said, is the final frontier. Not the Buzz Alrdin/Light Year, Neil deGrasse Tyson kind (but seriously, have you seen Cosmos?). Geographic space. Distances have been finding their way into metrics since the cavemen (probably). GIS seem to make nearly every science way more fun…and accurate! Most of my research deals with

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PageRank For SQL Lovers

September 24, 2014
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PageRank For SQL Lovers

If you’re changing the world, you’re working on important things. You’re excited to get up in the morning (Larry Page, CEO and Co-Founder of Google) This is my particular tribute to one of the most important, influential and life-changer R packages I have discovered in the last times: sqldf package. Because of my job, transforming

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Factors are not first-class citizens in R

September 23, 2014
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Factors are not first-class citizens in R

The primary user-facing data types in the R statistical computing environment behave as vectors. That is: one dimensional arrays of scalar values that have a nice operational algebra. There are additional types (lists, data frames, matrices, environments, and so-on) but the most common data types are vectors. In fact vectors are so common in R Related posts:

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H2O, Domino & Kaggle Quick-Start Guide and RUGSMAPS2

September 22, 2014
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H2O, Domino & Kaggle Quick-Start Guide and RUGSMAPS2

Following up on my previous posts about H2O Deep Learning (TTTAR1) and RUGSMAPS (TTTAR2), here is a quick update on two interesting things I have been working on: a Kaggle tutorial and a new RUGSMAPS app.Short Tutorials based on a Kaggle CompetitionFirst of all, I would like to share with...

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