[ https://issues.apache.org/jira/browse/SYSTEMML-2367?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
LI Guobao closed SYSTEMML-2367. ------------------------------- > Extend scheme Disjoint_Random > ----------------------------- > > Key: SYSTEMML-2367 > URL: https://issues.apache.org/jira/browse/SYSTEMML-2367 > Project: SystemML > Issue Type: Sub-task > Reporter: LI Guobao > Assignee: LI Guobao > Priority: Major > Fix For: SystemML 1.2 > > > It aims to extend the scheme of data partition. > * Disjoint_Random: for each worker, use a permutation multiply {{P[beg:end,] > %*% X}}, where P is constructed for example with > {{P=table(seq(1,nrow(X)),sample(nrow(X), nrow(X)))}}, i.e., sampling without > replacement to ensure disjointness -- This message was sent by Atlassian JIRA (v7.6.3#76005)