Data algorithms : [recipes for scaling up with Hadoop and Spark] Secondary sort : introduction Secondary sort : a detailed example Top 10 list Left outer join Order inversion Moving average Market basket analysis Common friends Recommendation engines using MapReduce Content based recommendation : movies Smarter email marketing with the Markov Model K means clustering k nearest neighbors Naive bayes Sentiment analysis Finding counting and listing all triangles in large graphs K mer counting DNA sequencing Cox regression Cochran Armitage test for trend Allelic frequency The T test Pearson correlation DNA base count RNA sequencing Gene aggregation Linear regression MapReduce and monoids The small files problem Huge cache for MapReduce The bloom filter