I've stumbled upon this sentence in a pyschology article:
"The specificity of the pattern of response to each category was barely diminished by thus restricting the analysis, with a mean accuracy of 94% for identifying the category being viewed."
To my understanding the sentence has a positive meaning, except from the part "by thus restricting the analysis".
(They were looking for difference between response/activation patterns for different categories of objects in the brain. To rule out the possibility that a pattern for a category may evoke a pattern similar to that evoked by the other, they took out the data where the patterns for both categories were highly correlated. So this sentence has to mean that the difference remained significant after this procedure as the 'specifity of the responce to each category was barely diminished' and the mean accuracy for identifying the category was still very high.)
TL;DR: My question is, is "by thus" a phrase that means "without doing" followed by words that have negative meanings?
train file 398 by thus restricting the analysis = by restricting the analysis in the manner previously described thus ~ in this way; in this manner CJ
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train file 398by thus restricting the analysis
= by restricting the analysis in the manner previously described
thus ~ in this way; in this manner
CJ