kohske

kohske has asked 4 questions and find answers to 328 problems.

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Cognitive psychology and cognitive neuroscience.

kohske questions

define class methods and class variables in R5 reference class
Convert superclass instance to subclass instance

kohske answers

plot an item map (based on difficulties)
How to split a data frame into a list of data frame given column names?
Customize legend in ggplot
unexpected behavior when extracting factor levels
identify start and end terms of NA sections
Mean of all vector values with unique names
plyr summarize only calls global functions
knitr: wrapping computer output in HTML tags
does the R programming language have reflection?
R: how to construct a mathematical expression from a character object?