Data Sampling

This step allows you to select a sample of your data source and run profiling on it.

Data Sampling settings

Figure 5.16. Data Sampling settings


If you leave Enable sampling unchecked, all your data will be analyzed. However, you might want to analyze only a certain part of it (especially in huge data sets) and run the analysis on representative samples of the whole data set. To achieve that, check Enable sampling and make further settings:

If you want to learn more about data sampling, consult e.g. the CloverDX Designer documentation, the DataSampler component. For a deeper insight into individual sampling methods in statistics, see Wikipedia.