1338 search results for "how to import image file to R"

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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Trying dplyr on triathon data

September 21, 2014
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Trying dplyr on triathon data

There was a triathlon in Almere last week, like every year since 1983. I pulled the data of all years to get some idea how things have changed in that sport. To get a visual I decided to plot the best 10% athletes. Then later I decided this was an idea...

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“Do You Want to Steal a Snowman?” – A Look (with R) At TorrentFreak’s Top 10 PiRated Movies List #TLAPD

September 18, 2014
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“Do You Want to Steal a Snowman?” – A Look (with R) At TorrentFreak’s Top 10 PiRated Movies List #TLAPD

We leave the Jolly Roger behind this year and turn our piRate spyglass towards the digital seas and take a look at piRated movies as seen through the lens of TorrentFreak. The seasoned seadogs who pilot that ship have been doing a weekly “Top 10 Pirated Movies of the Week” post since early 2013, and...

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Stay on track: Plotting GPS tracks with R

September 18, 2014
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Stay on track: Plotting GPS tracks with R

Many GPS devices and apps have the capability to track your current position via GPS. If you go walking, running, cycling, flying or driving, you can take a look at your exact route and your average speed.Some of these devices or apps also allow you to...

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Mapping every IPv4 address

September 15, 2014
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Mapping every IPv4 address

During July I was working with a commercial data source that provides extra data around IP addresses and it dawned on me: rather than pinging billions of IP addresses and creating map, I could create a map from all the geolocation data I had at my finger tips. At a high level I could answer “Where are all the IPv4 addresses worldwide?” But in...

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How do you say π^π^π?

September 15, 2014
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How do you say π^π^π?

Well, not that you really probably want to know how to say such an absurdly large number. However for those of you who are interested (allowing for rounding) it is:one quintillion, three hundred forty quadrillion, one hundred sixty-four trillion, one h...

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Build a SPAM filter with R

September 8, 2014
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Build a SPAM filter with R

You can find the complete code on github: https://github.com/JulianHill/R-Tutorials/blob/master/spam_class_r.r   Introduction: The topic Machine Learning gets more and more important. The number of data sources grows everyday and it makes it hard to get... The post Build a SPAM filter with R appeared first on ThinkToStart.

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Bayesian First Aid: Poisson Test

September 4, 2014
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Bayesian First Aid: Poisson Test

As the normal distribution is sort of the default choice when modeling continuous data (but not necessarily the best choice), the Poisson distribution is the default when modeling counts of events. Indeed, when all you know is the number of events during a certain period it is hard to think of any other distribution, whether you are modeling the...

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