1879 search results for "time series"

Five Reasons to Teach Elementary Statistics With R: #1

April 5, 2014
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Five Reasons to Teach Elementary Statistics With R:  #1

Introduction Reason #1: Package mosaic Keeping Simple Things Simple Flow-Control for the Masses There is Much More References Introduction This is is first in a projected five-part series of posts aimed at colleagues who teach...

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Five Reasons to Teach Elementary Statistics With R: #1

April 5, 2014
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Five Reasons to Teach Elementary Statistics With R:  #1

Introduction Reason #1: Package mosaic Keeping Simple Things Simple Flow-Control for the Masses There is Much More References Introduction This is is first in a projected five-part series of posts aimed at colleagues who teach...

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Two R tutorials for beginners

Two R tutorials for beginners I am currently in the process of rescuing some of the pages from my now defunct datajujitsu.co.uk blogger blog and moving to this Github/Clojure/Bootstrap version. I also today gave a tutorial to the University of Manche...

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Functional programming in R

Functional programming in R

Functional programming in R This post is based on a talk I gave at the Manchester R User Group on functional programming in R on May 2nd 2013. The original slides can be found here This post is about functional programming, why it is at the heart of the R language and how it can hopefully help you...

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Sales Dashboard in R with qplot and ggplot2 – Part 1

April 2, 2014
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Sales Dashboard in R with qplot and ggplot2 – Part 1

In a previous post on my personal blog about creating Pivot Tables in R with melt and cast we covered a simple way to generate sales reports and summary tables from a data set consisting of orders. It is often said that a picture is … Continue reading →

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Calendar charts with googleVis

April 1, 2014
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Calendar charts with googleVis

My little series of posts about the new googleVis charts continues with calendar charts. Google's calendar charts are still in beta, but they provide already a nice heat map visualisation of calendar year data. The current development version of google...

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analyze the european social survey (ess) with r

March 31, 2014
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with more than a decade of microdata aimed at gauging the political mood across european nations, the european social survey (ess) allows scientists like you to examine socio-demographic shifts among broad groups all the way down to pirate party (pirat...

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Bayesian Data Analysis [BDA3 – part #2]

March 30, 2014
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Bayesian Data Analysis [BDA3 – part #2]

Here is the second part of my review of Gelman et al.’ Bayesian Data Analysis (third edition): “When an iterative simulation algorithm is “tuned” (…) the iterations will not in general converge to the target distribution.” (p.297) Part III covers advanced computation, obviously including MCMC but also model approximations like variational Bayes and expectation propagation

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A Simple Introduction to the Graphing Philosophy of ggplot2

March 28, 2014
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A Simple Introduction to the Graphing Philosophy of ggplot2

Blog post: a very basic introduction to building data plots using ggplot2 in R. #Rstats

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Distribution Kinetics in JAGS

March 23, 2014
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Distribution Kinetics in JAGS

Chapter 19 of Rowland and Tozer (Clinical pharmacokinetics and pharmacodynamics, 4th edition) has distribution kinetics. I am examining problem 3. It is fairly easy, especially since essentially all formulas are on the same page under 'key relationships'. The only difficulty is that the formulas are symmetrical in λ1, c1 and λ2, c2 and they are exchanged between chains. For this...

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