Sample Collection
Synopsis
A collection is a list of items. This operator allows you to take a collection and sample it to a given sample size.
Description
The operator provides 3 different sampling methods (see parameter description) to perform the sampling. The parameter sample_size describes the number of items in the sampled output collection.
Input
exa
The collection which should be sampled.
Output
col
The sampled collection.
org
The original collection.
Parameters
Sampling method
The method to use for sampling.
- linear sampling: Take the first n objects of the collection.
- shuffled sampling: Take n unique, but random objects of the collection.
- bootstrap sampling: Take n random objects of the collection. Objects are allowed to be taken several times.
Sample size
The number of objects to be drawn.
Use local random seed
This parameter indicates if a local random seed should be used.
Local random seed
If the use local random seed parameter is checked this parameter determines the local random seed.