統(tǒng)計(jì)2 spss隨機(jī)化分組方法

設(shè)定隨機(jī)種子(SETTransform→RandomNumberGenerators?→RandomNumber√SetStartingFixedValue此時(shí)，在結(jié)果窗口出現(xiàn)“SETSEED=12345.”，SETSEED1～200000之間。產(chǎn)生隨機(jī)數(shù)：Transform→ComputerVariable?→ComputerFunctiongroup:RandomNumbersFunctionsandSpecial:Rv.Uniform點(diǎn)擊向上箭頭NunericExpression:Rv.Uniform(?,?)→Rv.Uniform(0,1)此時(shí)，數(shù)據(jù)窗口產(chǎn)生一列Random。產(chǎn)生隨機(jī)數(shù)字通常用Uniform(0,N)函數(shù)產(chǎn)生，本例題用同時(shí)，可以將隨機(jī)數(shù)字的小數(shù)點(diǎn)位數(shù)增加到4位或以上，可見隨機(jī)數(shù)字無重復(fù)。對(duì)隨機(jī)數(shù)編秩：Transform→Rankcase?→RankTransform→RecodeintoDifferentVariables?→RecodeintoRRandom→NumericVariable->OutputOutputVariable,Name:group→ChangeOldandNewValues?→RecodeintoDifferentVariables:OldandNewOld-New:1thru30Old-New:31thru60此時(shí)數(shù)據(jù)窗口又產(chǎn)生一列分組變量group。也可以單數(shù)歸入group1group2設(shè)定隨機(jī)種子：Transform→RandomNumberGenerators?→RandomNumber√SetStartingFixedValueValue：產(chǎn)生隨機(jī)數(shù)：Transform→ComputerVariable?→ComputerFunctiongroup:RandomNumbersFunctionsandSpecial:Rv.Uniform點(diǎn)擊向上箭頭→NunericExpression:Rv.Uniform(?,?)→Rv.Uniform(0,1)對(duì)隨機(jī)數(shù)編秩(Block編秩)：Transform→Rankcase?→Rank設(shè)定隨機(jī)種子：Transform→RandomNumberGenerators?→RandomNumber√SetStartingFixedValueValue：產(chǎn)生隨機(jī)數(shù)：Transform→ComputerVariable?→ComputerFunctiongroup:RandomNumbersFunctionsandSpecial:Rv.Uniform點(diǎn)擊向上箭頭→NunericExpression:Rv.Uniform(?,?)→Rv.Uniform(0,1)對(duì)隨機(jī)數(shù)編秩(按照Blo