Blog Archives

Mango Movember

November 27, 2014
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Mango Movember

This month the Mango Movember team have done a fantastic job of growing the most impressive moustaches. All cash raised is for research and awareness of, prostate cancer, testicular cancer and mental health problems. You can sponsor them using the following link: … Continue reading →

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Analyzing coverage of R unit tests in packages – the {testCoverage} package

November 5, 2014
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Analyzing coverage of R unit tests in packages – the {testCoverage} package

By Andy Nicholls – Head of Consulting, UK Introduction Testing is a crucial component in ensuring that the correct analyses are deployed. However it is often considered unglamorous; a poor relation in terms of the time and resources allocated to it in … Continue reading →

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Starting a GIS Investigation with R

October 13, 2014
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Starting a GIS Investigation with R

By Jian Li – Consultant, Shanghai. Geographical data is becoming increasingly important in understanding how we can predict and influence our impact on the world. Data on the location of individuals (be they migrating animals, humans stuck in traffic, or … Continue reading →

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Get Some Class

October 13, 2014
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Get Some Class

By Chris Campbell – Senior Consultant, UK. R is a classy language. Look: x <- matrix(1:9, nrow = 3) x ## ## 1 4 7 ## 2 5 8 ## 3 6 9 class(x) ## … Continue reading →

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An Intro to Models and Generalized Linear Models in R

October 13, 2014
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An Intro to Models and Generalized Linear Models in R

By Chris Campbell – Senior Consultant, UK. For many types of data, we have made a measurement of some variable that looks normally distributed. The middle value is the most likely, most values are similar to the middle value, and a … Continue reading →

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Functions and Debugging in R

October 13, 2014
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By Chris Campbell – Senior Consultant, UK. One of the most important objects in R are functions. Functions are a type of object that perform most of the actions we make in R. A quick refresher on objects. > # We … Continue reading →

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Introduction to R for Absolute Beginners

October 13, 2014
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Introduction to R for Absolute Beginners

By Chris Campbell – Senior Consultant, UK. As this was the first ever Manchester R the topics were designed for helping people make a start in R. We started off with a pre-session workshop; a brief introduction to R for absolute … Continue reading →

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Compute longest increasing/decreasing subsequence using Rcpp

September 16, 2014
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Compute longest increasing/decreasing subsequence using Rcpp

By Jinjing Xie – Consultant, Shanghai. The challenge here is interesting but also very clear: for a given un-ordered vector of numbers, select from it a longest increasing (or decreasing) subsequence. This subsequence may not be unique. For example, in the … Continue reading →

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