# Monthly Archives: August 2011

## Test Difference between Two Proportions & Plot Confidence Intervals

August 11, 2011
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..an illustrative example for testing proportions and presenting the results.the data: number of indigenous and alien plant species with and without vegetative reproduction. Hypothesis: The proportion of species with vegetative reproduction is differen...

## ggplot2: Determining the order in which lines are drawn

August 11, 2011
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In a time series, I want to plot the values of an interesting cluster versus the background. However, if I'm not careful, ggplot will draw the items in an order determined by their name, so background items will obscure the interesting cluster: Corr...

## Build multiarch R (32 bit and 64 bit) on Debian/Ubuntu

August 11, 2011
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I have the 64 bit version of R compiled from source on my Ubuntu laptop. I recently had a need for R based on 32 bit since a package I needed to compile and use only works in 32 bit. I thought it was readily available on Ubuntu since both 32 bit and 64 bit... Read more »

## Plotting Cumulative FII & DII Inflow against Nifty spot index

August 10, 2011
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Now that I have the FII and DII Inflow along with Nifty Index, I tried my hands on charting!The objective is to plot the Cumulative FII, DII and Net Inflow and Nifty Index for current year (2011) on a single graph. This post takes inspiration from Deep...

## Analysis of Japanese Earthquakes Data

August 10, 2011
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Latest version is here.Greater attention is much more about earthquakes, Touhoku earthquake has occurred on March 11, 2011. Earthquake data are released at Japan Weather Association's Tenki.jp. We can get these variables from the site.Date, TimeAreaLat...

## Climate datasets in R

August 10, 2011
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As an ecologist working on climate change questions, I’ve always found it rather tedious to acquire and process climate data, especially when dealing with large spatiotemporal scales. Although many agencies provide free access to climate data, there is often some overhead (typically one to two days) before the data are made available for download via

## By: Build multiarch R (32 bit and 64 bit) on Debian/Ubuntu

<p> have the 64 bit version of R compiled from source on my Ubuntu laptop. I recently had a need for R based on 32 bit since a package I </p>

## Error : package does not have a name space

August 10, 2011
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Here is a frustrating knot I am beginning to unravel. R has a namespace structure to help reduce errors resulting from functions, methods, objects, classes having the same name from two different packages. Makes sense. Those R objects that are … Continue reading →

## In case you missed it: July Roundup

August 10, 2011
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In case you missed them, here are some articles from July of particular interest to R users. A simulation in R finds the value (or disadvantage) or drawing an X, J, Q or Z in Scrabble. How to display high-quality graphics on the web using SVG output from R. A review of Paul Murrell's talk about raster image support...

## Bayes factors and martingales

August 10, 2011
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$Bayes factors and martingales$

A surprising paper came out in the last issue of Statistical Science, linking martingales and Bayes factors. In the historical part, the authors (Shafer, Shen, Vereshchagin and Vovk) recall that martingales were popularised by Martin-Löf, who is also influential in the theory of algorithmic randomness. A property of test martingales (i.e., martingales that are non