About Multimedia Extras

Accompanying specific sections in this book are multimedia extras, which are available from www.manning.com/MahoutinAction/extras/ and are free for anyone to listen to or view. Audio or video icons in the margins, like the ones below, indicate which sections of the book have these additional features.

Audio icon

Video icon

No. 1	Audio
	Sean introduces the Mahout project and explains his involvement
No. 2	Audio
	Sean discusses the work of a recommender
No. 3	Audio
	Sean describes why he thinks it’s possible to “listen” too closely to data
No. 4	Audio
	Sean addresses questions about the implementation of the Pearson correlation
No. 5	Audio
	Sean discusses the value of interpreting performance metrics
No. 6	Audio
	Sean explains the relationship between Mahout and Hadoop
No. 7	Audio
	Robin explains how to choose the right distance measure for a data set
No. 8	Audio
	Robin expands on the apple analogy
No. 9	Audio
	Robin explains the progression of KMeans clustering iterations
No. 10	Audio
	Robin discusses strategies to improve clustering quality
No. 11	Audio
	Robin explains how to improve performance of large-scale clustering
No. 12	Video
	Ellen shows how training a model makes it progressively better
No. 13	Video
	Ted and Ellen show what happens inside logistic regression
No. 14	Video
	Ted compares the merits of using sequential and parallel algorithms
No. 15	Audio
	Ted and Ellen discuss the AUC evaluation method
No. 16	Audio
	Ted and Ellen discuss why log-likelihood means “never say never”