tfma.types.ValueWithTDistribution

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Represents the t-distribution value.

It includes sample_mean, sample_standard_deviation, sample_degrees_of_freedom. And also unsampled_value is also stored here to record the value calculated without bootstrapping. The sample_standarddeviation is calculated as: \sqrt{ \frac{1}{N-1} \sum{i=1}^{N}{(x_i - \bar{x})^2} }

sample_mean

sample_standard_deviation

sample_degrees_of_freedom

unsampled_value