1367 search results for "how to import image file to r"

Insight from FIFA 14’s Player Attributes (Using R)

December 28, 2013
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Insight from FIFA 14’s Player Attributes (Using R)

FIFA 14 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 of real players and this is part of the appeal. Although I rarely play video games, I am an avid soccer player and got curious about what could be learned by...

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Lyric Analytics

December 28, 2013
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Lyric Analytics

I was messing around with the text mining (tm) package in R and was thinking of something I could comb through.  I looked through some other blogs and websites to see how they were using it:  mining through presidential speeches debates&...

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The Mascots of Bayesian Statistics

December 25, 2013
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The Mascots of Bayesian Statistics

Why would Bayesian statistics need a mascot/symbol/logo? Well, why not? I don’t know of any other branch of statistics that has a mascot but many programming languages have. R has an “R”, Python has a python snake, and Go has an adorable little gopher. While Bayesian statistics isn’t a programming language it could be characterized as...

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Response Time Percentiles for Multi-server Applications

December 25, 2013
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Response Time Percentiles for Multi-server Applications

In a previous post, I applied my rules-of-thumb for response time (RT) percentiles (or more accurately, residence time in queueing theory parlance), viz., 80th percentile: $R_{80}$, 90th percentile: $R_{90}$ and 95th percentile: $R_{95}$ to a cellphone application and found that the performance measurements were not completely consistent. Since the data appeared in a journal blog, I...

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How fair is White Elephant?

December 24, 2013
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How fair is White Elephant?

This article was first published on analyze stuff. It has been contributed to Anything but R-bitrary in celebration of its introductory post.By Max Ghenis Welcome to analyze stuff! For our first post, I wanted to reflect on the time of year; after all, ‘tis the season for hams and yams, caroling and sledding, and of...

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How fair is White Elephant?

December 24, 2013
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How fair is White Elephant?

Welcome to analyze stuff! For our first post, I wanted to reflect on the time of year; after all, ‘tis the season for hams and yams, caroling and sledding, and of course gifts! One popular party gift exchange game is the White Elephant, where each person brings a wrapped (typically regifted or otherwise odd-ball)...

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How much faster is calibration with parallel processing and/or R byte-code compiling ?

December 20, 2013
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How much faster is calibration with parallel processing and/or R byte-code compiling ?

The Svensson model is a 6-factor yield curve model that has been derived from the Nelson-Siegel model in : Svensson, L. E. (1995). Estimating forward interest rates with the extended Nelson & Siegel method. Sveriges Riksbank Quarterly Review, 3(1) :13-26. … Continue reading →

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Using Processing and R together (in OS X)

December 19, 2013
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Using Processing and R together (in OS X)

I wanted to develop a small experiment with a front end using the Processing language and the backend calculations in R; the reason why will be another post. This post explained the steps assuming that one already has R and Processing installed: Install the Rserve package. This has to be done from source (e.g. using

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Excel, fanaticism and R

December 16, 2013
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Excel, fanaticism and R

This week I’ve been feeling tired of excessive fanaticism (or zealotry) of open source and R in general. I do use a fair amount of OSS and pushed for the adoption of R in our courses; in fact I do think OSS is a good thingTM. I do not like, however, constant yabbering on why

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Processing EXIF Data

December 15, 2013
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Processing EXIF Data

I got quite inspired by the EXIF with R post on the Timely Portfolio blog and decided to do a similar analysis with my photographic database. The Data The EXIF data were dumped using exiftool. This command uses some of the powerful features of the bash shell. If you are interested in seeing more about

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