GKi

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GKi has asked 13 questions and find answers to 138 problems.

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GKi questions

What is the reason not to use string quotes for syntactic names?
Same function but using for it the name %>% causes a different result compared when using the name :=
Recommended way to subset two vectors with the same index vector
Does the Bizarro pipe ->.; have disadvantages making it not recommended for use?
Why is R making a copy-on-modification after using str?

GKi answers

Faster evaluation of matrix multiplication from right to left
Is there a faster way to recode character data when it's actually a factor?
How to get the most frequent level of a categorical variable in R
Counting sequential dates in R to determine the length of an event
Add column inside named matrix
divide a column of lists by numbers in another column
How to conditionally label row sequentially in R?
Efficiently match all values of a vector in another vector
split a column in two existing columns if a condition is matched in R
Inserting a character before specified character in hierarchical manner in R