This Pattern exploits MapReduce’s ability to group keys together to remove duplicates. This pattern uses a mapper to transform the…
Finding outliers is an important part of data analysis because these records are typically the most interesting and unique pieces…
Bloom filtering is similar to generic filtering in that it is looking at each record and deciding whether to keep…
In simple random sampling (SRS), we want to grab a subset of our larger data set in which each record…
Filtering serves as an abstract pattern for some of the other patterns. Filtering simply evaluates each record separately and decides,…