droopy

droopy has asked 1 questions and find answers to 17 problems.

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How to update values with dplyr

droopy answers

dplyr group_by and summarize for two df's with same column name
R:Binary matrix for all possible unique results
How to get R plot window size?
Calling setdiff() on multiple vectors
create binary matrix from data.frame
How to extract substring between patterns "_" and "." in R [duplicate]
How to get only certain plots when plot() returns multiple plots
deparse(substitute(x)) in lapply?
Efficiently inserting default missing rows in a data.table
How to retrieve contents of ... as list of calls?