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Results tagged with streaming-algorithms
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user 4804
7
votes
1
answer
1k
views
Reservoir sampling of distinct values
I'm faced with a situation where I need to get m samples from a data stream (without replacement). Only one pass through the data is possible.
In my case, the stream contains many duplicate values, a …
- 529
3
votes
2
answers
890
views
Sampling distinct values with probability proportional to their frequency
This is a variant of my previous question (Reservoir sampling of distinct values)
I'm faced with a situation where I need to get m samples from a data stream (without replacement). Only one pass thro …
- 529