[Rcicr-users] rcicr version 0.3.0 submitted to CRAN: fixes important bug

[Dotsch, R. (Ron)]

Dear rcicr users,

I just submitted rcicr version 0.3.0 to CRAN. It's already available for download as development version. I strongly recommend to update immediately if you are planning on generating new reverse correlation stimuli.

Pre 0.3.0 versions of rcicr had a small bug that caused at least one and probably two sinusoids of the 4092 sinusoid patches not to be rendered (for sure one in the highest spatial frequency and perhaps one in the lowest spatial frequency). The visual effect of this bug is practically unnoticeable, but of course it had to be fixed.

rcicr 0.3.0 is backwards compatible: if you install it, you will be able to analyze data collected with stimuli created pre 0.3.0 without any problems. The package will automatically treat the data appropriately (which means that if you generated stimuli with a pre 0.3.0 version, the latest version will show the same behavior as would the pre 0.3.0 version in the analysis).

I am working on including the following new features in future versions:
- Support for multiple images per trial
- Support for multiple response options per trial
- Support for Gabor and Gaussian noise in addition to sinusoid noise
- Computing pixel-wise correlations between CIs
- Masking stimuli and CIs
- Support for pixel and cluster tests

These features should all be implemented some time during the summer break. If you have any additional feature requests, please let me know!

Best wishes,

Ron


________________________________
Dr. Ron Dotsch

Utrecht University
Department of Psychology

Website: http://ron.dotsch.org


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