Articles by » R

R editor improvements for the next release of Bio7

April 20, 2016 | » R

20.04.2016 For the upcoming release of Bio7 I worked hard to improve the R editor features. So I added some new features and improvements to assist in the creation of R scripts in Bio7. One of the highlights is the newly integrated dynamic code analysis when writing an R script. Here ... [Read more...]

Supervised Image Classification With Bio7, R And ImageJ

November 27, 2015 | » R

27.11.2015 I created a new Bio7 example which demonstrates how to classify an image with Bio7, ImageJ and R. For the classification I used the “randomForest” R package and an image example of ImageJ so you can reproduce the example quite easily. I made the example script as easy as possible ... [Read more...]

New R plot preferences and improvements for the R editor in Bio7

November 18, 2015 | » R

18.11.2015 In the current release of Bio7 2.3  two new plot preferences are available to automatically plot data with the size of the visible display (as an image) or with the size of available ImageSizeX and ImageSizeY R workspace variables. The second option is handy if you transfer images from ImageJ to ... [Read more...]

Competing views on Argentina’s Frontrunner

October 30, 2015 | » R

It might be too early to state anything solid, but the few polls prospecting the runoff election in Argentina seem to be telling two distinct histories. Hugo Haime and IPSOS suggest Daniel Scioli is going up while Elypsis and Polldata say he’s sinking as weeks go by. The last ...
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House Effects in Argentinian polling

October 24, 2015 | » R

I’ve already posted on “house effects”, the tendency of polling organizations to systematically vary in their results from one another. In this post, I look specifically at these house effects, and show which polling organisations over or under-estimate support for each candidate–compared to the average–in this presidential ...
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Argentine’s 2015 Presidential Election Forecasts

October 20, 2015 | » R

Predictions The model I built to forecast the Argentine’s 2015 presidential election indicates the official candidate have a significant chance of making it right way this Sunday, avoiding a runoff with Mauricio Macri in November. The electoral preference distributions are quite apart from each other, with the distribution of Daniel ...
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A Talk About Campaign Finance in Brazil

October 16, 2015 | » R

Last week, I delivered a talk at University of Brasilia about my past research on the topic of campaign finance. I didn’t know in advance about the existence of this seminar. Indeed, it was a big surprise receiving the invitation from Prof. Marcelo Pimentel, who is teaching on Fridays ...
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Understanding Margin of Error for Small Populations

October 13, 2015 | » R

I got an email today inquiring if the margin of error reported in the newest poll by Datafolha would possibly be misleading. The polling firm often report surveys with regular sizes (1000/2400), so the margin of error calculated is in the range of +/-2% to +/-3%. However, in the latest pool, ...
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Spatstat – An introduction and measurements with Bio7

September 10, 2015 | » R

10.09.2015 Here I present a summary of a small spatstat workshop I created. I also explain in several videos how to transfer and convert 2d and 3D ImageJ measurements to a spatial point pattern with Bio7. The example datasets and code samples used here were taken from the spatstat help and ... [Read more...]

Bio7 2.3 Released!

August 28, 2015 | » R

28.08.2015 As a result of the useR conference 2015 with fantastic workshops and presentations where I also presented my software I released a new version of Bio7 with many improvements and new features inspired by the R conference and important for the next ImageJ conference 2015 where I will give a Bio7 workshop. ... [Read more...]

ImageJ Selections to Georeferenced Spatial Objects

August 5, 2015 | » R

05.08.2015 As a result of the last UseR conference and some great spatial workshops and talks where I participated I decided to rework the selection dialog for the upcoming Bio7 2.3 to transfer ImageJ selection data as ‘Spatial Objects’ with the help of the package ‘sp‘ and the Java GDAL binding (version 1.7.1). ... [Read more...]

Bio7 at the useR! Conference 2015

June 28, 2015 | » R

I recently released a new version of Bio7 just in time and planned for the useR conference 2015 where I will present Bio7 in the Ecology oral session titled: “A Graphical User Interface for R in an Integrated Development Environment for Ecological Modeling, Scientific Image Analysis and Statistical Analysis “. I hope ... [Read more...]

Bio7 2.2 for Windows, Linux and MacOSX released

June 26, 2015 | » R

26.06.2015 I released a new version of Bio7 for Windows, Linux and MacOSX simultaneously. This release is based on Eclipse 4.5 which was published on Wednesday. It comes bundled with the latest ImageJ version (1.49u) and the latest R version (bundled with Windows and Mac). Download at: New features: ... [Read more...]

Bio7 2.1 Release Candidate RC2 for MacOSX Available

May 29, 2015 | » R

29.05.2015 I published a MacOSX release candidate for Bio7 2.1 based on Eclipse 4.5 RC2. This release was tested on MacOSX 10.10. The final release will be published after the official Eclipse 4.5 release. Installation: Bio7 2.1 comes as a regular *.dmg installation package. Just drag the to the Applications folder. Bio7 2.1 comes […] [Read more...]

Bio7 2.1 for Linux 64-bit and Windows 32-bit released

May 19, 2015 | » R

19.05.2015 After the 64-bit release of Windows the Linux 64-bit and Windows 32-bit release can be downloaded at: Linux installation: The installation of Bio7 is similar to the installation of the Eclipse environment. Simply decompress the downloaded *.zip file in a preferred location on your file system. After ... [Read more...]

Bio7 2.1 for Windows 64 bit released

May 18, 2015 | » R

18.05.2015 I released a new version of the Integrated Development Environment Bio7 with new functions and many visual layout improvements of the Bio7 Graphical User Interface. Bio7 2.1 can be downloaded here: Release notes Bio7 2.1: R: Updated R to version 3.2.0. Improved the R perspective layout (see below). Improved the ... [Read more...]

Knitr with Bio7

April 16, 2015 | » R

16.04.2015 In Bio7 it is possible to write a documentation in knitr. A simple visual and textual HTML editor (based on JavaFX) and an embedded Latex editor (based on TeXclipse) helps in the creation of a *.html or *.pdf documentation. For the *.pdf creation a TeX environment has to be available (... [Read more...]

Bio7 2.0 for Windows 32 bit Release

March 24, 2015 | » R

24.03.2015 Because of some requests of a Windows 32 bit version of Bio7 2.0 I uploaded a built to sourceforge. Release notes: Updated R to version 3.1.3 Updated ImageJ to version 1.49p Added some ImageJ dialog options (to stay on top, e.g., the ROI Manager) Updated Java to version 1.8.40 Updated the JavaFX embedded ... [Read more...]

Bio7 Overview Video

March 6, 2015 | » R

06.03.2015 For the upcoming EclipseCon 2015 where I present the Bio7 application I created an overview video (see below) which summarizes some of the main Bio7 functionality. This time the Eclipse Con is co-located with the FOSS4G. So many interesting things will be presented at one place. If you find the ... [Read more...]
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