基于R软件实现随机分组及其应用

Ｒ112*1．1008502．100029*[e-mail]【】Ｒ。Ｒsample。Ｒ、Ｒ、。【】ＲＲ195．1Adoi10．11886/j．issn．1007-3256．2016．06．003TherealizationoftherandomgroupinganditsapplicationbasedonＲsoftwareHuWan1HuLiangping12*1．ConsultingCenterofBiomedicalStatisticsAcademyofMilitaryMedicalSciencesBeijing100850China2．SpecialtyCommitteeofClinicalScientificＲesearchStatisticsofWorldFederationofChineseMedicineSocietiesBeijing100029China*[e-mail]【Abstract】ThepurposeofthispaperistohelpreaderstoimplementrandomgroupingbyusingＲsoftware．Thesimplerandomgroupingandstratifiedrandomgroupingarerealizedwiththehelpofthefunctionofsamplethatisusedtoimplementrandomsampling．InfactＲsoftwareisveryeasytoobtainlearnanduseandＲsoftwareisverypowerfulwideapplicationcansolveproblemsaboutrandomgroupingintheexperimentaldesignsconvenientlyandquickly．【Keywords】ＲsoftwareSimplerandomgroupingStratifiedrandomgroupingNon－experimentalfactor02015AA02010211。。。、、。Ｒsample。。。。2Ｒ2－52．12．1．1【1】1～2424“”“”。Ｒ。＞a＜－c124＞b＜－repc12＞c＜－sampleb24rep=F＞d＜－cbindacda1～24。b“”“”1224。cb24b24。3052016296http//．psychjm．net．cnacd。ac1122334455667788991010111112121313141415151616171718181919202021212222232324241～24ac。2．1．2【2】1～2424“”“1”“2”12。Ｒ。＞a＜－c124＞b＜－repc128＞c＜－sampleb24rep=F＞d＜－cbindacda1～24。b“”、“1”“2”824。cb24b24。acd。ac11222233441552667788991101021111112121131314142151521616217172181819191202012121122222323124241～2424a12、1、28。。405http//．psychjm．net．cn2016296set．seednn0。。＞set．seed2＞a＜－c124＞b＜－repc128＞c＜－sampleb24rep=F＞d＜－cbindacd。ac1112213344556627728829911010211111212213131414115152161611717118181191912020212122222232324242＞set．seed2＞a＜－c124＞b＜－repc128＞c＜－sampleb24rep=F＞d＜－cbindacd。ac1112213344556627728829911010211111212213131414115152161611717118181191912020212122222232324242。2．2【3】1～242412。。5052016296http//．psychjm．net．cnＲ。＞set．seed20160407＞a＜－c124＞b1＜－repc12＞b2＜－repc12＞c＜－cb1b2＞d1＜－repc12＞d2＜－repc12＞e＜－cd1d2＞f＜－samplee24rep=F＞g＜－cbindacfg10Ｒ“”。120160407。21～24a24。3、41212b1b212“”、12“”。5b1b224c。6、71212d1d212“”、12“”。8d1d224e。9sample24e12“”、12“”24“”“”“”“”f。10a、cfgg。acf1122334455667788991010111112121313141415151616171718181919202021212222232324241Ｒ21～243121～12、1213～244sampleＲ“”“”。1．—M．201493－103．2．ＲM．201534－39．3．ＲM．201588－156．4．ＲM．201554－168．5JosephAdler．ＲM．2．．2015417－421．2016－12－05605http//．psychjm．net．cn2016296