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How to randomly select rows in SQL? - Stack Overflow SELECT TOP 5 Id, Name FROM customerNames ORDER BY NEWID() That said, everybody seems to come to this page for the more general answer to your question: Selecting a random row in SQL Select a random row with MySQL: sql
Select random element in a list of R? - Stack Overflow 23 Be careful when using sample! sample(a, 1) works great for the vector in your example, but when the vector has length 1 it may lead to undesired behavior, it will use the vector 1:a for the sampling So if you are trying to pick a random item from a varying length vector, check for the case of length 1!
python - random. choice from set? - Stack Overflow On my machine, random sample goes from being slower than random choice to being faster than it as the set size grows (the crossover point is somewhere between set size 100k-500k)
python - A weighted version of random. choice - Stack Overflow This is so much faster than numpy random choice Picking from a list of 8 weighted items 10,000 times, numpy random choice took 0 3286 sec where as random choices took 0 0416 sec, about 8x faster
Weighted random selection with and without replacement Recently I needed to do weighted random selection of elements from a list, both with and without replacement While there are well known and good algorithms for unweighted selection, and some for