2681 search results for "gis"

CambR and other upcoming events

May 21, 2012
By
CambR and other upcoming events

New events CambR (Cambridge UK R user group) 2012 May 29 6:30 PM for 7:00 PM start. Pat Burns “Inferno-ish R” Abstract: While R is wonderful, it is not uniformly wonderful. We highlight a few things generally found to be confusing, and outline the forces that have driven such imperfections. Markus Gesmann “Interactive charts with … Continue reading...

Read more »

Another look at over-representation analysis interpretation

May 21, 2012
By
Another look at over-representation analysis interpretation

Interpreting a list of differentially regulated genes can take many forms. One of the most widely used method is looking for enrichment of functional group of genes compared to a random sampling of gene from the same universe, namely an over-representation analysis (ORA).The point I want to explore today is what is the best way to interpret the results...

Read more »

CFP: the 10th Australasian Data Mining Conference (AusDM 2012)

May 20, 2012
By
CFP: the 10th Australasian Data Mining Conference (AusDM 2012)

The Tenth Australasian Data Mining Conference (AusDM 2012) Sydney, Australia 5-7 December 2012 http://ausdm12.togaware.com/ Data mining, the art and science of intelligent analysis of (usually large) data sets for meaningful (and previously unknown) insights, is now being actively applied in … Continue reading →

Read more »

In Mexico, more marriages ending in divorce, and sooner

May 18, 2012
By
In Mexico, more marriages ending in divorce, and sooner

R user Diego Valle analyzed the rate of divorces in Mexican marriage since 1993 (the earliest date for which data are available) and found that not only have more marriages ended in divorce over time, but marriages that do end are ending sooner: This chart is a bit complicated, but it bears close inspection. Each line you see is...

Read more »

Criticism 4 of NHST: No Mechanism for Producing Substantive Cumulative Knowledge

May 18, 2012
By

In this fourth part of my series of criticisms of NHST, I’m going to focus on broad

Read more »

Example Reproducible Report using R Markdown: Analysis of California Schools Test Data

May 18, 2012
By
Example Reproducible Report using R Markdown:  Analysis of California Schools Test Data

This is a quick set of analyses of the California Test Score dataset. The post was produced using R Markdown in RStudio 0.96. The main purpose of this post is to provide a case study of using R Markdown to prepare a quick reproducible report. It provides examples of using plots, output, in-line R code, and...

Read more »

Proportion of marriages ending in divorce

May 17, 2012
By
Proportion of marriages ending in divorce

Over the last two decades families in Mexico have undergone rapid social changes. The proportion of marriages ending in divorce has risen for each cohort since data became available, this is independant of the recently approved express divorce law in...

Read more »

More Bixi Data Visualization

May 17, 2012
By
More Bixi Data Visualization

I mentioned in a previous post that our team at the recent Hack/Reduce hackathon had some fun with a data set which consisted of Bixi station states at minute level temporal resolution. In addition to pulling out and plotting the flux at each station on an hourly basis, we also plotted the system state (number

Read more »

Getting Started with R Markdown, knitr, and Rstudio 0.96

May 16, 2012
By
Getting Started with R Markdown, knitr, and Rstudio 0.96

This post examines the features of R Markdown using knitr in Rstudio 0.96. This combination of tools provides an exciting improvement in usability for reproducible analysis. Specifically, this post (1) discusses getting started with R Markdown and knitr in Rstudio 0.96; (2) provides a basic example of producing console output and plots...

Read more »

My take on polar bar (a.k.a. consultant’s) charts

May 16, 2012
By
My take on polar bar (a.k.a. consultant’s) charts

Once upon a time, when I was working at Johnson & Johnson (pharma branch), I was surrounded by a bunch of programmers working to develop (among other things) a nifty piece of software for internal use. Part of it was later released as freeware, cal...

Read more »