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Computes the (weighted) mean of the given values. (deprecated)

The streaming_mean function creates two local variables, total and count that are used to compute the average of values. This average is ultimately returned as mean which is an idempotent operation that simply divides total by count.

For estimation of the metric over a stream of data, the function creates an update_op operation that updates these variables and returns the mean. update_op increments total with the reduced sum of the product of values and weights, and it increments count with the reduced sum of weights.

If weights is None, weights default to 1. Use weights of 0 to mask values.

values A Tensor of arbitrary dimensions.
weights Tensor whose rank is either 0, or the same rank as values, and must be broadcastable to values (i.e., all dimensions must be either 1, or the same as the corresponding values dimension).
metrics_collections An optional list of collections that mean should be added to.
updates_collections An optional list of collections that update_op should be added to.
name An optional variable_scope name.

mean A Tensor representing the current mean, the value of total divided by count.
update_op An operation that increments the total and count variables appropriately and whose value matches mean.

ValueError If weights is not None and its shape doesn't match values, or if either metrics_collections or updates_collections are not a list or tuple.