The summarizers are the components that process each of the rows and columns, creating the data profile that will be added to the table document at the end of the process. Each summarizer is specialized to gathering different kinds of information. The information could be samples of the processed data or statistics like what is the minimum or maximum value for a numerical column. 

Sample Summarizer

The Sample Summarizer gathers a sample of the table.

Value Count Summarizer

The Value Count Summarizer gathers statistics for each of the columns of the table. The gathered information will depend on the column type.

Saga Summarizer

The Saga Summarizer gathers statistics for each of the columns of the table.