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RDQA is a R package for Qualitative Data Analysis, a free (free as freedom) qualitative analysis software application (BSD license). It works on Windows, Linux/FreeBSD and Mac OSX platforms. RQDA is an easy to use tool to assist in the analysis of textual data. At the moment it only supports plain text formatted data. All the information is stored in a SQLite database via the R package of RSQLite. The GUI is based on RGtk2, via the aid of gWidgetsRGtk2. It includes a number of standard Computer-Aided Qualitative Data Analysis features. In addition it seamlessly integrates with R, which means that a) statistical analysis on the coding is possible, and b) functions for data manipulation and analysis can be easily extended by writing R functions. To some extent, RQDA and R make an integrated platform for both quantitative and qualitative data analysis.
March 2021 Update (16.3.1): February 2021 Update (16.3): December 2020 Update (16.2) November 2020 Update (16.1.2) Sept 2020 Update (16.1) Note: These new feature updates are only available to active Advantage Plan members and new customers. January 2021 Update (15.2.5). Scratch is a free programming language and online community where you can create your own interactive stories, games, and animations.
Through the GUI, RQDA can:
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Through R functions, it can:
You can use help(package='RQDA') to see more functions of the RQDA package.
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For non-R-users who use Windows, you can download a rar file from Baidu Yun Pan, extract it to, say, c:. Then you can launch the RQDA by double clicking the RQDA.bat file. This instruction has been tested on OS X EI Capitan (2016/06/23).
Old instruction for Yosemite users.
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User contributed documentation
I have put a lot of effort in this project. I appreciate if you can cite this software in your research. You can use citation('RQDA') to get this citation.
HUANG Ronggui (2016). RQDA: R-based Qualitative Data Analysis. R package version 0.2-8. http://rqda.r-forge.r-project.org/
RQDA 0.2-8 is released on CRAN (2016-12-12). The most important changes include profile matrix (Kuckartz, 2014) and Portuguese translation, among others. Unfortunately, this release is not compatible with RSQLite 1.1.0, which means that you need to downgrade RSQLite to 1.0.0 to make RQDA works properly. This problem will be fixed in development version on GitHub.
RQDA 0.2-5 is released on CRAN (2014-03-26). This update is in compliance with CRAN policies, but has no significant new features. JRE is required to used rjpod enhancement.
RQDA 0.2-3 is released with several new features (2012-12-12).
rmmseg4j 0.1-0 is released to CRAN (2012-06-18)
RQDA 0.2-2 is now on CRAN (2011-12-27)
Two new packages (rsmartcn, rmmseg4j) have been added, which segment Simplified Chinese into words seperated by space.
RQDA 0.2-1 is now on CRAN (2011-09-10)
RQDA 0.2-0 is now on CRAN (2010-10-20)
RQDAtm 0.1-0 works now. It bridges RQDA and tm (rev 313) (2010-04-26).
RQDA 0.1-9 is now on CRAN (2010-02-28). There is a bug, and the solution is here.
RQDA 0.1-8 is now on CRAN (2009-09-20)
RQDA 0.1-7 is now on CRAN (2009-04-28)
RQDA 0.1-6 is now on CRAN (2008-12-30)
RQDA has been actively developed. You can click here to see the new features. There are few known-bugs, click KnownBugs for details.
Main windows under Vista and under Debian Linux
File Categories window under Vista and Debian Linux
Codes list window under Vista and under Debian Linux
Code Categories window under Vista and Debian Linux
Cases window under XP and under Debian Linux
Attributes window under Debian Linux
Journals window under Debian Linux
Settings window under XPand under Debian Linux