user3375672

user3375672 has asked 25 questions and find answers to 3 problems.

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user3375672 questions

R: pass args to outer()
R: function on all column combinations from two data frames using nested apply
Use RegEx in R to retrieve string before second occurence of a period ('.')
In R: dcast in function, pass column names (again!)
Regex in R: replace only part of a pattern
dplyr: use chaining to pass variables
R get rows based on multiple conditions - use dplyr and reshape2
In R: subset or dplyr::filter with variable from vector
R regular expression to obtain all text before the second underscore
R, pass column name as argument to function using dplyr::filter() and %in%

user3375672 answers

How to convert a nested lists to dataframe in R?
Reading in chunks at a time using fread in package data.table