Package: base/frameworks/sumstats

The summary statistics framework provides a way to summarize large streams of data into simple reduced measurements.

The summary statistics framework provides a way to summarize large streams of data into simple reduced measurements.

Calculate the average.

Calculate the number of unique values (using the HyperLogLog algorithm).

Keep the last X observations.

Find the maximum value.

Find the minimum value.

Keep a random sample of values.

Calculate the standard deviation.

Calculate the variance.

Calculate the sum.

Keep the top-k (i.e., most frequently occurring) observations.

Calculate the number of unique values.