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bio website moderntoolmaking.blogspot.com
location San Francisco, CA
age 28
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reviewed Approve suggested edit on Summarizing k-fold cross validation results
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accepted Replicating a plot from the ROCR Website
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revised Cosine similarity on sparse matrix
added 1134 characters in body
Jun
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comment Cosine similarity on sparse matrix
Just a comment on R's scalability: R has a very efficient sparse matrix object ("sparse matrices" and "graphs" are incredibly similar). For example, using the irlba package, one can factor the netflix dataset (480k users, 18k movies, 100 million non-zero entries) in 120 seconds with 5 lines of code.
May
27
comment Cloud computing platforms for machine learning
Do they have an R-specific offering? I'm not looking for a general cloud-computing provider, I'm looking for one that provides pre-configured R (preferably RStudio) servers.
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comment What are the most effective R packages for classification problems?
@dlaser. It sure does. It's got a great API-- rather than building something yourself, you should submit patches to caret!