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Sum of most recent values across groups

r data.table asked Jun 9, 2016 at 17:02

stackoverflow.com

26 votes

Why do browsers allow custom root CAs?

web-browser man-in-the-middle certificate-authority asked Jul 26, 2018 at 14:24

security.stackexchange.com

21 votes

eval and quote in data.table

r data.table asked Apr 9, 2013 at 22:41

stackoverflow.com

17 votes

cumulative plot using ggplot2

r ggplot2 cumulative-sum asked Apr 5, 2013 at 22:53

stackoverflow.com

16 votes

backticks in variable name

r syntax asked Oct 3, 2013 at 21:16

stackoverflow.com

16 votes

passing unevaluated expressions to C/C++

c r rcpp asked Oct 30, 2013 at 15:24

stackoverflow.com

16 votes

grouped operations that result in length not equal to 1 or length of group in dplyr

r data.table dplyr asked Feb 12, 2014 at 19:33

stackoverflow.com

15 votes

template specialization for derived classes

c++ c++11 templates sfinae asked Aug 14, 2017 at 16:58

stackoverflow.com

14 votes

how can I handle vectors without knowing the type in Rcpp

r rcpp asked Nov 6, 2013 at 22:12

stackoverflow.com

11 votes

Is there an fread analog for reading from stdin?

linux r pipes data.table asked Jul 1, 2013 at 20:19

stackoverflow.com

Top Answers

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