arg0naut91

arg0naut91 has asked 6 questions and find answers to 33 problems.

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arg0naut91 questions

Split date range into several chunks ending by YYYY-12-31
data.table alternative for dplyr case_when

arg0naut91 answers

merging on multiple columns R
Count rows matching a criteria relative to current row
Mutate multiple variables based on a given condition
R - fill na values sequentially from last nonzero value
Spread an integer over several rows as many times as it is divided by a constant
How to replace 0 or missing value with NA in R [duplicate]
Add number in the string after each letter
R: How can I do a conditional count in dplyr? [duplicate]
How to specify columns to exclude when retaining all distinct rows?
lead or lag function to get several values, not just the nth