Articles by Di Cook

Measuring effect size in ALDEx2

March 1, 2021 | Di Cook

I'm in the throes of submitting a paper on effect sizes in ALDEx2, and so I thought I would take a stab at a nice concise blog post to summarize and simplify. Effect sizes are standardized mean differences between groups, and are designed to conve...
[Read more...]

Measuring effect size in ALDEx2

March 1, 2021 | Di Cook

I'm in the throes of submitting a paper on effect sizes in ALDEx2, and so I thought I would take a stab at a nice concise blog post to summarize and simplify. Effect sizes are standardized mean differences between groups, and are designed to conve...
[Read more...]

Speeding up aldex.effect()

February 21, 2021 | Di Cook

 I've been optimizing various functions in ALDEx2 on Bioconductor to make it more efficient. One bottleneck has been the aldex.effect() function which calculates an effect size for the difference between distributions. I will write a separate... [Read more...]

New Book: "Computational Genomics with R"

February 10, 2021 | Di Cook

 It costs now 299$ now to sequence your genome [https://nebula.org/whole-genome-sequencing-dna-test/]. It is getting cheaper to generate genomic data and more of it is coming through. We can't see the same trend for the people who can analyze the ...
[Read more...]

New Book: "Computational Genomics with R"

February 10, 2021 | Di Cook

 It costs now 299$ now to sequence your genome [https://nebula.org/whole-genome-sequencing-dna-test/]. It is getting cheaper to generate genomic data and more of it is coming through. We can't see the same trend for the people who can analyze the ...
[Read more...]

Hack-at-it 2010

June 4, 2010 | Di Cook

Members of the team met for the second time in 2010, to work on a new interactive graphics canvas for R. The current stage of the project can be found at R-forge: qtinterfaces contains the new canvas, and plumbr contains the new mutable data frame stru... [Read more...]

Hack-at-it 2009

June 9, 2009 | Di Cook

The annual GGobi hack-at-it was held June 5-7 in Ames Iowa. The main directions of work areDevelopment of a new canvas for R supporting interactive and dynamic graphics. Michael is leading the effort on this. Higher level routines for supporting brushi... [Read more...]

Hack-at-it 2008

June 27, 2008 | Di Cook

The 2008 Hack-at-it was held June 22-23, just before Data Vis VI, in Bremen Germany.The main topics for the meeting were: Release of 2.1.7 Continued design of GGobi 3 [Read more...]

New material on the GGobi book web page

January 30, 2008 | Di Cook

The GGobi book is now available from Springer and Amazon, after quite a delay. Getting the figures printed correctly was difficult. Solutions to the exercises in the back of each chapter are available for instructors by emailing Springer.The movies on ... [Read more...]

Hack-at-it 2007

January 28, 2008 | Di Cook

The GGobi Hack-at-it 2007 was held just before useR! 2007 in Ames Iowa.The main focus this year was on the data pipeline again, and on pipelines in other software.Several projects were discussed: the geometric shapes, high-dimensional games, local neig... [Read more...]

Hack-at-it

October 25, 2006 | Di Cook

Hack-at-it 2006 Aug 3-5 the GGobi developers got together in Seattle, WA for the second hack-at-it. The setting was a rented house, with high speed internet and a lovely garden in which to work and talk. The main topic of this year's hack-at-it was the... [Read more...]

New ggobi release

August 29, 2006 | Di Cook

GGobiThere is a new release of ggobi 2.1.3 available on the web site. It has few changes, but several bugs have been fixed. A more major release will happen later this year. [Read more...]

Describe Display

July 13, 2006 | Di Cook

Making good quality reproductions of ggobi plotsTo create high quality reproductions of ggobi plot windows, take a look at the DescribeDisplay plugin and corresponding R package.The R package is available at http://www.ggobi.org/describe-display/ . Th... [Read more...]

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