eddi

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eddi has asked 47 questions and find answers to 388 problems.

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eddi questions

R vs sed regex greediness
eval and substitute in C/C++
data.table join and j-expression unexpected behavior
fast conversion from string time to milliseconds
constructing an identifier string for each row in data
can I switch the grouping variable in a single dplyr statement?
initializer list constructor error with CRTP
how can I mutate in dplyr without losing order?
display only plotted data in the legend
data.table and table unexpected behavior

eddi answers

Avoiding a loop on a strsplit list
Generalized function to substitute all variables in the quote()d expression, if they exist in an environment [duplicate]
Unlist and retain list names intact in R
Diagonal of a 3D array
R, dplyr: Collapse character variable elements by group if there is only one unique non-NA element per group
R - data.table rolling join confusion
autoplot saves blank plot to png device when chained within data.table
Is it a good idea to read/write files in parallel?
R assigning ggplot objects to list in loop
Finding groups of contiguous numbers in a list [duplicate]