Joseph Wood

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Joseph Wood has asked 6 questions and find answers to 69 problems.

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Joseph Wood questions

Performance Considerations when using VBA Filter Function
Most efficient way to determine if element exists in a vector
R Algorithm for generating all possible factorizations of a number
Arithmetic in R faster on numerics as opposed to integers. What's going on?
Why does R's duplicated perform better on sorted data?

Joseph Wood answers

Split a set into n unequal subsets with the key deciding factor being that the elements in the subset aggregate and equal a predetermined amount?
Equalizing the lengths of all the lists within a list?
Faster version of combn
Why is the Rcpp implementation in my example much slower than the R function?
Unordered combinations of all lengths
R combinations, looking for faster and more efficient way(package,code,parallel cpu) than basic R
All possible permutations of decimal numbers (hundredths) that sum up to 1 for a given length
Fast calculation of CDF / rolling join on multiple columns
Is there an efficient way to generate N random integers in a range that have a given sum or average?
How to create a permutation in c++ using STL for number of places lower than the total length