Monthly Archives: April 2018

Tidying messy Excel data (Introduction)

April 30, 2018
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Personal expressiveness, or how data is stored in a spreadsheet When you get data from a broad research community, the variability in how that data is formatted and stored is truly astonishing. Of course there are the standardized formats that are output from machines, like Next Generation Sequencing and other automated systems. That is a saving grace! But for smaller data, or...

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Twitter Sentiment with R on Azure ML Studio

April 30, 2018
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Twitter Sentiment with R on Azure ML Studio

Downloading data from Twitter in R, running it through Azure ML Studio and analyzing the output back in R. It turns out to be rather involved. Here are the steps I’ve taken so far. 1. Create a Twitter account Using Twitter’s API requires a Twitter account. Also need to create a Twitter App to get Keys to use the API. Can...

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How to do Repeated Measures ANOVAs in R

April 30, 2018
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How to do Repeated Measures ANOVAs in R

Don’t do it The Emotion Dataset The effect of Emotion Post-hoc / Contrast Analysis Interaction Note Credits Don’t do it Ha! Got ya! Trying to run some old school ANOVAs hum? I’ll show you even better! There is now a tremendous amount of data showing the inadequacy of ANOVAs as a statistical procedure (Camilli, 1987; Levy,...

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RcppArmadillo 0.8.500.0

April 30, 2018
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RcppArmadillo 0.8.500.0

RcppArmadillo release 0.8.500.0, originally prepared and uploaded on April 21, has hit CRAN today (after having already been available via the RcppCore drat repo). A corresponding Debian release will be prepared as well. This RcppArmadillo release c...

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17 Jobs for R users from around the world (2018-04-30)

April 30, 2018
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17 Jobs for R users from around the world (2018-04-30)

To post your R job on the next post Just visit  this link and post a new R job  to the R community. You can post a job for  free  (and there are also “featured job” options available for extra exposure). Current R jobs Job seekers:  please follow the links below to learn more and apply for your R job of interest: Featured Jobs...

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Microsoft R Open 3.4.4 now available

April 30, 2018
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An update to Microsoft R Open (MRO) is now available for download on Windows, Mac and Linux. This release upgrades the R language engine to version 3.4.4, which addresses some minor issues with timezone detection and some edge cases in some statistics functions. As a maintenance release, it's backwards-compatible with scripts and packages from the prior release of MRO....

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Make a sculpture in LEGO from a photo, with R

April 30, 2018
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Make a sculpture in LEGO from a photo, with R

The entrance to our office in Redmond in is adorned with this sculpture of our department logo, rendered in LEGO: We had fun with LEGO bricks at work this week. APEX is our internal team name, this was fun. Oh and we're hiring for all roles in Azure! pic.twitter.com/VlNNaTexA5 — Jeff Sandquist (@jeffsand) March 30, 2017 Our team, the...

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Z is for Z-Scores and Standardizing

April 30, 2018
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Z is for Z-Scores and Standardizing

Z is for Z-Scores and StandardizingLast April, I wrapped up the A to Z of Statistics with a post about Z-scores. It seems only fitting that I'm wrapping this April A to Z with the same topic. Z-scores are frequently used, sometimes when you don't even realize it. When you take your child to the doctor and they...

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2018-04 Extreme Makeover: R Graphics Edition

April 29, 2018
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This report describes a complex R graphics customisation example using functions from the ‘grid’ and ‘gridGraphics’ packages and introduces two new functions in ‘grid’: deviceLoc ...

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I’m ‘not in’ right now…

April 29, 2018
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Checking whether an item is in a vector or not in a vector is a common task. The notation in R is a little inelegant when expressing the “not in” condition since the negation operator (!) is separated from the … Continue reading →

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