eddi

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eddi has asked 47 questions and find answers to 387 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

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]
creating a data.frame whose column will hold a list in each row [duplicate]