Miniab软件的活用英文

03:MinitabIntroduction

AnOverviewofMinitabver12.2GEGlobalResearchGreenBelt

DMAICCourseTypeIErroraTypeIIErrorbCorrectDecision(1-a)CorrectDecision(1-b)90807060Y=50

X1

X2FuelEconomyOctaneLevelAirTempWhatisMinitab?StatisticalsoftwarepackageHasmanyofthetoolsneededtosuccessfullyanalyzedatawithrigorGraphsStatisticaltoolsfordataanalysisSixSigmaReportsCurrentSoftwareRelease:12.2WhatMinitabCanDo*DescriptiveStatisticsGageR&RCapabilityAnalysis(ZST/ZLT)Graphing-ManyTypes!Pareto,FishboneHypothesisTestingProduct&ProcessSixSigmaReportsGenerationofTestPlansforDesignedExperimentsAnalysisofDOEresultsStatisticalProcessControlRandomDataGenerationforsimulationsAGreatToolboxforSixSigmaProjects!*SubjectstobediscussedthroughoutthecourseWhatdoesMinitabLookLike?

OnlyonewindowactiveatatimeHighlightedbarindicatesactivewindowMenuBarsSessionWindow(Keepsarunninglogofcommandsandoutputs)DataWindow(SimilartoanExcelspreadsheet)PullDownmenus&DialogBoxesWhatisaDialogBox?ThedialogboxisthewaytocommunicateyourrequirementstoMinitab(variables,options,analysismethods,etc.).*SeeAppendixformoreinformationondialogboxesThreedotsafteramenuselectionindicatesa“dialogbox”willappearwhenthatitemisselected.AnarrowheadindicatestherearemoremenuselectionsavailableEnteryourselectionshere...Andhere!ContextSensitiveHelpinMinitabisReallyHelpful!!ExampleofaDialogBox:WaystoenterdatainMinitabEntereddirectlyintothespreadsheet(the‘Data’window)TypethedatadirectlyinUsethedataentryarrowtochoosehowyouwishtoenterthedata(inrowsorincolumns)Copied/pastedFromMINITABFromother“Windows”softwareImported/LinkedFrommanycommonlyusedsoftwarepackagesFromsavedtextorASCIIfilesGeneratedbyMinitabRandomdataPatterneddata(Ex.:1,2,3,4,1,2,3,4....)Referencedata(subscriptsthatindicatethesourceofthedata)MinitabTips-DataEntryWhenenteringdataintheDataWindow,therearethreeimportantaspects:Dataisnormallyenteredincolumnsforeaseofanalysis(clickonthesmallarrowintheupperleftcornertochangeentrydirection)Columnheadingsareenteredabovethecolumn,NOTinthefirstrow(31charactersmaximum)Ifanalphabeticcharacteristypedinthefirstcellofacolumn,theentirecolumnisconvertedtotextHeadingRowTextColumnNumericColumnsDataEntryDirectionArrowSavingInformationinMinitab“Print”commandprintshighlightedwindowonly!Windowcanbedata,session,graph,etc.1)AsaWorksheet-Savesthedataonly.SaveCurrentWorksheet(as)SaveWorksheetas2)AsaProject-Data,sessiontext,graphs,andmore.SaveProject(as)(1)(2)Scenario:AnewprocesshasrecentlybeeninstalledtomanufactureextrudedplasticsheetinAP5.Theexistingprocessisstillinservicemakingsheet.Wewanttodeterminewhetherthetwoprocessesproducesheetofthesamethickness.TheCTQforthisprocessissheetthickness.20sampleshavebeencollected(5subgroupswith4samplespersubgroup)takenatvarioustimesduringthetwo-shiftoperation.ClassExerciseStepsintheProcess:Enterthedata(Y’s)inaspreadsheetAddcolumnswithotherusefulinformation(X’s,subscripts,etc)Arrangethedataforanalysis(combine,stack,etc.)GraphthedataDefinethePracticalProblemFirstStartablankworksheetandenterthedatabelowintocolumnsC1andC2.Labelyourcolumnsasindicated.UsingtheEnterkeywillalwayscausethecursortomoveinthedirectionofthedataentryarrow.(Makesurethearrowispointingdown)20DataPoints5subgroups(fourdatapointstakenatdifferenttimesofday)Themeasurementsareinthousandthsofaninch.Step1:EntertheDataColumnTitlesMinitabColumnHeadingsDoubleClicktocopyDataintoMinitabStep2:AdditionalColumnsofInformationMinitabhasfeaturestomaketheaddingofadditionalinformationeasierthantypingitinbyhand.Inthiscase,itwouldbeveryhelpfultonumberthesamplesandindicatethetimeofdaythesamplewastaken.Firsttypeintwonewcolumnheadings:C3:SampleNumberC4:TimeSeconduseMinitab’sbuilt-infeatureforgeneratingpatterneddata:IMPORTANTNOTE!!Minitabmusthaveuniquecolumnnamesforeachnewcolumn.Calc>MakePatternedData>SimplesetofnumbersForColumnC3,wewouldliketoindicatethesamplenumber.Sincethereare20samples,C3shouldcontainnumbersfrom1-20.Here’showthatdataiscreated:Adialogboxshouldappear.Fillitinasshownbelow:Here’swhatthedatawindownowlookslike:IfyouhavemanydatapointsthisismucheasierthantypingtheminbyhandCalc>MakePatternedData>SimpleSetofNumbersNow,let’sfillinthetimesthesamplesweretakeninColumnC4.Remember,therewere5subgroupsofdatawith4sampleseach.Subgroupsweretakenatthefollowingtimes:9:00am12:00pm3:00pm6:00pm9:00pmUsethesamemenucommand,butthistimeselect“Date/TimeValues”Calc>MakePatter SimplesetofDate/TimeValuesFillinthedialogboxasshownbelow:Thedataisinthespreadsheet-nowwehavetoarrangClick‘‘OK’Step3:ArrangingDataforAnalysisWhatdoes‘stacking’mean?-Placingdatafrommultiplecolumnsintooneormore(new)columnsHowisstackingdone?-Fromthemenubar,choose:Manip>Stack/UnstackChose>StackColumnsor>StackBlocksofColumns-FillinthedialogboxasrequiredMinitab(generally)needsdataincolumnstoperformcomparisonsandstatisticalanalyses.Tomanipulateallthedataintotheappropriatecolumnsiscalled“Stacking”.“StackBlocksofColumns”allowsmultiplecolumnsofdatatobestackedWhatisitwearetryingtodo?We’dliketohaveonecolumnwithallofthethicknessdata(40totalpoints),andcarryalloftheadditionalinformationonsamplenumberandtimewitheachdatapoint.NOTE:Whenmorethanonecolumnneedstobestackedsimultaneously,Minitabreferstothecolumnsas““blocks”.Fromthemenubar,makethefollowingselection:Step3:Cont’’d...Manip>Stack/Unstack>StackBlocksofColumnsFillinthedialogboxasshown:1.Enterthecolumnsyouwantstackedinthe“StacktheFollowingBlocks”section.2.Enterthenamesofthenewcolumnswherethestackeddatawillbestoredinthe“Storestackeddatain”section.3.Enteracolumnnameinthe“Storesubscriptsin””block.Thiscolumncontainssubscripts,whichidentifywhichdatasetfromwhichthestackeddatacame.Inthiscase,‘‘Existing’and‘‘New’’equipmentwillbeidentifiedwitha1and2respectively.Rememberthatcolumnheadingsmustbeunique!Click‘OK’Stackthe1strowontopof2ndrowandstorethedatainthenewcolumnsindicated.“Stack”allowsonecolumnofdatatobestackedonitselfWhydidn’