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Hi Dan,
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<div class="">This looks fine to me. If you have a ci object, for instance the output of:</div>
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<div class="">someCI <- generateCI2IFC(…) </div>
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<div class="">you can get the raw noise in a 512x512 pixel matrix without base image using:</div>
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<div class="">someCI$ci</div>
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<div class="">This is not well-documented yet, but you can rely on it (so does rcicr).</div>
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<div class="">Best,</div>
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<div class="">Ron</div>
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_____________________</div>
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Ron Dotsch<br class="">
Associate Professor<br class="">
Department of Psychology<br class="">
Utrecht University<br class="">
<a href="http://ron.dotsch.org/" class="">http://ron.dotsch.org/</a></div>
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<div class="">On 21 Aug 2015, at 17:48, Daniel Albohn <<a href="mailto:d.albohn@gmail.com" class="">d.albohn@gmail.com</a>> wrote:</div>
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<div class="">Hello,<br class="">
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I am writing the listserv to get some feedback on how to obtain just a noise image from a reverse correlation task (i.e., without the base image). Through looking at the documentation, I believe this is possible, although there are not many examples or supporting
documents to confirm my suspicious. As such, I wanted to make sure my code was actually giving me what I want it to give me.<br class="">
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----R code----<br class="">
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data <- read.csv("rcicrData1.csv")<br class="">
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<div class="">##Apparently this is unneeded for creating just a noise image?##<br class="">
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<div class="">n <- 'rcicrdata.Rdata'<br class="">
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responses <- as.vector(data$correct)<br class="">
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s <- generateNoisePattern(img_size = 512, pre_0.3.0 = TRUE)<br class="">
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noise <- generateCINoise(data$Face, data$correct, s)<br class="">
image(noise) #it's in color?<br class="">
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<div class="">##output grey scale image##<br class="">
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<div class="">jpeg("Noise_img.jpg",<br class="">
width = 512, height = 512, units = "px")<br class="">
par(mar = rep(0,4))<br class="">
image(noise, axes=FALSE, col = grey(seq(0,1, length = 512)))<br class="">
dev.off()<br class="">
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---End Code---<br class="">
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Any thoughts, suggestions, or critiques would be appreciated! Again, I am looking to output a noise image from RC data, much like generating a CI, but without the base image underneath.<br class="">
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Thanks,<br class="">
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Dan<br clear="all" class="">
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Daniel Albohn<br class="">
<div class=""><a href="http://www.sites.psu.edu/albohn" target="_blank" class="">Website</a> | 484-332-7688</div>
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