Monthly Archives: December 2016

Christmas Tree with ggplot

December 25, 2016
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Christmas Tree with ggplot

# create data x

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Computing Sample Size for Variance Estimation

December 24, 2016
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Computing Sample Size for Variance Estimation

The R package samplesize4surveys contains functions that allow to calculate sample sizes for estimating proportions, means, difference of proportions and even difference of two means. It also permits the calculation of sample error and power level for ...

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Distributional Semantics in R: Part 1 {tm} classes + read/write

December 24, 2016
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Distributional Semantics in R: Part 1 {tm} classes + read/write

The R code for this tutorial on Methods of Distributional Semantics in R is found in the respective GitHub repository. Following my Methods of Distributional Semantics in R BelgradeR Meetup with Data Science Serbia, organized in Startit Center, Belgrade, 11/30/2016, several people asked me for the R code used for the analysis of William Shakespeare’s plays that was presented....

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New Release of ggguitar available on CRAN

December 24, 2016
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New Release of ggguitar available on CRAN

Based on feedback ggguitar has been updated and released on CRAN.  The updated vignette includes more examples of how the package can be used.  Example below as well: Update - Blogger was reformatting the R code - so made it available in this gist instead.Merry Christmas.

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anytime 0.2.0: Feature, fixes and tests!

December 24, 2016
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A brand new anytime package just arrived at CRAN. This is release number eight, evenly spread with over two per month, since the initial release in September. Needless to say I have been told off not to make this many releases. As they say, no good deed goes unpunished. anytime is a very focused package aiming to do just one...

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Does replyr::let work with data.table?

December 24, 2016
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Does replyr::let work with data.table?

I’ve been asked if the adapter “let” from our R package replyr works with data.table. My answer is: it does work. I am not a data.table user so I am not the one to ask if data.table benefits a from a non-standard evaluation to standard evaluation adapter such as replyr::let. Using replyr::let with data.table looks … Continue reading Does...

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Functional programming and unit testing for data munging with R available on Leanpub

December 23, 2016
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The book I’ve been working on these pasts months (you can read about it here, and read it for free here) is now available on Leanpub! You can grab a copy and read it on your ebook reader or on your computer, and what’s even better is that it is available for free (but you can also decide to...

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My free book has a cover!

December 23, 2016
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My free book has a cover!

I’m currently writing a book as a hobby. It’s titled Functional programming and unit testing for data munging with R and you can get it for free here. You can also read it online for free on my webpage What’s the book about? Here’s the teaser text: Learn the basics of functional programming, unit testing and package development for the R...

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Functional programming and unit testing for data munging with R available on Leanpub

December 23, 2016
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The book I’ve been working on these pasts months (you can read about it here, and read it for free here) is now available on Leanpub! You can grab a copy and read it on your ebook reader or on your computer, and what’s even better is that it is av...

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Classification with Linear Discriminant Analysis

December 23, 2016
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Classification with linear discriminant analysis is a common approach to predicting class membership of observations. A previous post explored the descriptive aspect of linear discriminant analysis with data collected on two groups of beetles. In this post, we will use the discriminant functions found in the first post to classify... The post Classification with Linear Discriminant Analysis appeared first on...

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