jangorecki

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jangorecki has asked 49 questions and find answers to 118 problems.

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jangorecki questions

How to read feather/arrow file natively?
Extract comments from R source files, keep function in which they occurs
PL/R function accepting two tables as arguments
Add column by reference on rolling join
xaringan: generated table with nested formatted code
Top N rows by group using python datatable
R parallel: rbind parallely into separate data.frames
R .Last.call feature - similar to .Last.value
R data.table 1.9.2 issue on setkey
base R substitute names of the arguments to function call

jangorecki answers

Update join: replace with values from a column with the same name
Removing columns from a data.table in R based on conditions
How to access a data table column that has special characters or space?
R data.table syntax to create and select on the fly
R custom data.table function with multiple variable inputs
R package from local drive
Join two data.tables on date, with closest date in table 1 strictly less than date in second table
How to get indices of top k values for each (selected) column in data.table
data.table - summarizing data - difference between `by` and `keyby`?
R xts and data.table and IDate