Generate 'n' unique random numbers within a range [duplicate]
Apr 3, 2014 · Using random.sample(xrange(1, 100), 3) - with xrange instead of range - speeds the code a lot, particularly if you have a big range, since it will only generate on-demand the …
Select a random sample of results from a query result
Apr 9, 2009 · 77 This question asks about getting a random (ish) sample of records on SQL Server and the answer was to use TABLESAMPLE. Is there an equivalent in Oracle 10? If …
Select random sampling from sqlserver quickly - Stack Overflow
Mar 16, 2009 · Select random sampling from sqlserver quickly Asked 16 years, 10 months ago Modified 13 years, 1 month ago Viewed 31k times
What does the random.sample () method in Python do?
Mar 30, 2014 · I want to know the use of random.sample() method and what does it give? When should it be used and some example usage.
Sampling a random subset from an array - Stack Overflow
Aug 13, 2012 · What is a clean way of taking a random sample, without replacement from an array in javascript? So suppose there is an array x = [1,2,3,4,5,6,7,8,9,10,11,12,13,14,15] and …
r - Sample random rows in dataframe - Stack Overflow
I am struggling to find the appropriate function that would return a specified number of rows picked up randomly without replacement from a data frame in R language? Can anyone help …
Fast arbitrary distribution random sampling (inverse transform …
23 You need to use Inverse transform sampling method to get random values distributed according to a law you want. Using this method you can just apply inverted function to random …
pandas - How to do a random stratified sampling with Python …
May 6, 2018 · In this example, I am : Generating a population Sampling in a pure random way Sampling in a random stratified way When comparing both samples, the stratified one is much …
Random Sampling in Google BigQuery - Stack Overflow
I just discovered that the RAND() function, while undocumented, works in BigQuery. I was able to generate a (seemingly) random sample of 10 words from the Shakespeare dataset using: …
Python: Random selection per group - Stack Overflow
Mar 18, 2014 · This method will make a different random selection from each column in each group, rather than selecting the entire row in each group. The answer from @ihadanny will …