tf.contrib.distributions.StudentTWithAbsDfSoftplusSigma.mean()

tf.contrib.distributions.StudentTWithAbsDfSoftplusSigma.mean(name='mean')

Mean.

Additional documentation from StudentT:

The mean of Student's T equals mu if df > 1, otherwise it is NaN. If self.allow_nan_stats=True, then an exception will be raised rather than returning NaN.