Articles by feirblog

Package GrpString on CRAN

April 25, 2017 | 0 Comments

The R package GrpString is originally developed for analyzing and comparing groups of scanpaths in eye-tracking studies. However, it is ideal for string analysis in general, especially for quantifying differences between two groups of strings. Here is the flow chart showing most functions in the current version (0.3.1). Some examples: library(...
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Using R to Read Eye-tracking Files (.txt, .tsv, ect.) and Organize Data

April 25, 2017 | 0 Comments

If a researcher is interested in certain time periods of an eye-tracking recording, such as problem-solving phases in education studies, he/she can replay the recording, generate segments or scenes, and then export the relevant data. However, this process is time-consuming. Using R may provide a way to quickly obtain ...
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