Sampling with a Label Dictionary

[jeff-hernandez]

In the sample transform of the label times, num_examples_per_instance should be added as a parameter. This will let users sample the number of examples per label from each entity.

label_times.sample(
    num_examples_per_instance={
        'A': 2,
        'B': 3,
        'C': 3,
    }
)

Testing and QA Plan

The tests should result in 100% code coverage. The tests should include a case where the sample transform is using a label dictionary to return the number of examples from each entity.