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R Weekly Bulletin Vol – VII

May 6, 2017
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R Weekly Bulletin Vol – VII

This week’s R bulletin will cover topics like how to create a sequence of dates, how to add a number to a date and time variable and converting a date in American format to a standard format. Hope you like this R weekly bulletin. Enjoy reading! Shortcut Keys 1. Run current line/selection – Ctrl+Enter 2.... The post R...

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Scrapeover Friday — a.k.a. Another R Scraping Makeover

May 5, 2017
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I caught a glimpse of a tweet by @dataandme on Friday: Using R & rvest to explore Malaysian property mkt: "Web Scraping: The Sequel, Propwall.my" https://t.co/daZOOJJfPN #rstats #rvest pic.twitter.com/u6QMhm4M3e— Mara Averick (@dataandme) May 5, 2017 Mara is — without a doubt — the best data science promoter in the Twitterverse. She seems to have her... Continue reading...

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Modelling individual party vote from the 2014 New Zealand election study

Modelling individual party vote from the 2014 New Zealand election study

Someone asked on Twitter about the characteristics of New Zealand First voters. While some crude conclusions can be drawn from examining votes by location cast and then comparing that with census data, we really need individual level data to answer the...

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Fitting count and zero-inflated count GLMMs with mgcv

May 4, 2017
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Fitting count and zero-inflated count GLMMs with mgcv

A couple of days ago, Molly Brooks and coauthors posted a preprint on BioRχiv illustrating the use of the glmmTMB R package for fitting zero-inflated GLMMs (Brooks et al., 2017). In the paper, glmmTMB is compared with several other GLMM-fitting packages. mgcv has recently gained the ability to fit a wider range of families beyond the...

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Updating R

Updating R

As you might know by now, the latest R version was recently released (R 3.4.0). That means that you are highly encouraged to update your R installation. There are several ways to do this some of which are documented in these other blog posts: Tal Galili, 2013, Kris Eberwein, 2015. You would think that it’s...

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Estimating the Size of a Demonstration

Estimating the Size of a Demonstration

Abstract Inspired by the recent March For Science we look into methods for the statistical estimation of the number of people participating in a demonstration organized as a march. In particular, we provide R code to reproduce the two on-the-spot counting method analysis of Yip et al. (2010) for the data of the July 1 March in Hong Kong...

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A tribute to Lucy D’Agostino McGowan’s git commit emoji game

May 2, 2017
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Do you know Lucy? She is a very talented biostatistics PhD candidate that I had the chance to e-meet thanks to R-Ladies. One maybe superficial reason to admire her, on top of her other achievements, is her emoji game in git commits. Looking at Lucy’s...

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twidlr: data.frame-based API for model and predict functons

May 2, 2017
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twidlr: data.frame-based API for model and predict functons

@drsimonj here to introduce my latest tidy-modelling package for R, “twidlr”. twidlr wraps model and predict functions you already know and love with a consistent data.frame-based API! All models wrapped by twidlr can be fit to data and used to make predictions as follows: library(twidlr) fit <- model(data, formula, ...) predict(fit, data, ...) data is...

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The making of datasauRus

May 2, 2017
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Around 8:30pm I saw this tweet and duly retweeted <throws away Anscombe quartet> https://t.co/WuyU9D6npK — Richie Cotton (@richierocks) May 1, 2017 It turns out awesome folks, George and Justin, had made a process whereby they can generate different distributions of The post The making of datasauRus appeared first on Locke Data. Locke Data are a data...

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Getting started with data science – recommended resources

May 2, 2017
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Getting started with data science – recommended resources

An oft asked question is what resources can I recommend for getting started with data science? Here are my recommendations, and if you have others, please put them in the comments! NB Links in this post may be affiliate links The post Getting started with data science – recommended resources appeared first on Locke Data. Locke...

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