Algorithm summary table

algorithm name	description	production-ready?	needs Hadoop?	input format	run command
SGD LogisticRegression command line	train a logistic regression model with Stochastic Gradient Descent	x		CSV with Header	trainAdaptiveLogistic
SGD LogisticRegression API	train a logistic regression model with Stochastic Gradient Descent	x		Mahout Vector, feature hashing API	custom code
Random Forest	build a random forest		x	CSV without header and quotes	BuildForest

algorithm name	description	production-ready?	needs Hadoop?	input format	run command
Itembased Collaborative Filtering	compute pairwise item-similarities	x	x	tab-separated text files	itemsimilarity
Itembased Collaborative Filtering	compute recommendations as batch	x	x	tab-separated text files	recommenditembased
Matrix factorization with Alternating Least Squares	decompose a rating matrix		x	tab-separated text files	parallelALS
Matrix factorization	predict unknown preferences using decomposed rating matrix	x	x	tab-separated text files	predictFromFactorization