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  "Package": "HCTDesign",
  "Title": "Group Sequential Design for Historical Control Trial with\nSurvival Outcome",
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  "Authors@R": "c(person(\"Tushar\", \"Patni\", role = c(\"aut\", \"cre\"),email = \"tushar.patni006@gmail.com\"),person(\"Yimei\", \"Li\", role = \"aut\"),person(\"Jianrong\", \"Wu\", role = \"aut\"))",
  "Description": "It provides functions to design historical controlled\ntrials with survival outcome by group sequential method. The\noptions for interim look boundaries are efficacy only, efficacy\n& futility or futility only. It also provides the function to\nmonitor the trial for any unplanned look. The package is based\non Jianrong Wu, Xiaoping Xiong (2016) <doi:10.1002/pst.1756>\nand Jianrong Wu, Yimei Li (2020)\n<doi:10.1080/10543406.2019.1684305>.",
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  "Packaged": {
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  "Author": "Tushar Patni [aut, cre], Yimei Li [aut], Jianrong Wu [aut]",
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      "title": "Calculate Calendar Times for Interim Analysis Looks",
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      "title": "Monitoring the trial at interim looks for a trial with efficacy and futility boundaries",
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