Monthly Archives: November 2014

Counting Unique Mobile App Users with HyperLogLog

Continuing along the theme of real time analytic with approximate algorithms, the¬†¬†focus this time is approximate cardinality estimation. To put the ideas in a context, the use case we will be working with is for counting number of unique users … Continue reading

Posted in Approximate Query, Big Data, Data Science, Mobile, Real Time Processing, Storm | Tagged , , | 1 Comment