How do I read/write libsvm data into/from R? The libsvm format is sparse data like <class/target>[ <attribute number>:<attribute value>]* e.g., 1 10:3.4 123:0.5 34567:0.231 0.2 22:1 456:03 The "foreign" library does not seem to provide the necessary functionality. Any suggestions? Code? Thanks! http://stackoverflow.com/questions/12112558/r-read-write-data-in-libsvm-format
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