GKi

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GKi has asked 16 questions and find answers to 189 problems.

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GKi questions

What are the disadvantages when using a function without empty parentheses with %>%, the pipe of magrittr?
Write own / custom pipe operator
Argument names of Arithmetic Operators
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

Sum the last n non NA values in each column of a matrix in R
I have two vectors of indices (rows, columns) for a data.frame with corresponding values, whats the fastest way to build the new data.frame?
Count number of rows where a value appears in any of two columns in R
List of vectors to list of lists
Delete all dataframe groups for which any column contains NA
R turn each element in a vector into a list of lists
Using R, how can I detect if a string includes a unicode character?
How to efficiently replace first row's NA with 0 by group with R
Re-order data frame to be consistent
Fast unnest with data.table