README.md

DNA Base Counting

The following examples demostrates the usage of PySpark to count DNA bases. In a nutshell, DNA Base Counting counts the number of A's, T's, C's, G's, and N's (N refers to undefined code).

• DNA Base Counting Without In-Mapper Combiner

• DNA Base Counting With In-Mapper Combiner

• DNA Base Counting With External Python Function