Sequence Sequence Sequenceanalysis Sequence Sequenceanalysis Objectives BiologyAsetofnucleotidsproteins TrajectoriesbiographiesAsetofleavingarrangementsprofessionalstatusdailyactivitiesti ID: 425956
Download Pdf The PPT/PDF document "Sequenceanalysis" is the property of its rightful owner. Permission is granted to download and print the materials on this web site for personal, non-commercial use only, and to display it on your personal computer provided you do not modify the materials and that you retain all copyright notices contained in the materials. By downloading content from our website, you accept the terms of this agreement.
Sequence Sequenceanalysis Sequence Sequenceanalysis Sequence Sequenceanalysis Objectives Biology:A=setofnucleotids,proteins,... Trajectories,biographies:A=setofleavingarrangements,professionalstatus,dailyactivities(time-usediarydata,workdays,workweeks),...4/19 Sequence Sequenceanalysis Objectives Example:Themvaddataset Studyfrom?ontransitionfromschooltoworkinNorthernIreland IncludedintheTraMineRlibrary. 712individuals Follow-upstartingattheendofthecompulsoryeducation(July1993) Timeseriesof70statusvariables:September1993toJune1999. Thealphabetismadeofthefollowingstatuses:EM(employment),FE(FurtherEducation),HE(HigherEducation),JL(Joblessness),SC(School),TR(Training).5/19 Sequence Sequenceanalysis Objectives Aimoftheoriginalstudy Theaimoftheoriginalstudywasto Usesequencetechniquestocharacterizeyoungpeoples'transitionsfromschooltoworkintotypes Distinguishbetweensuccessfulandunsuccessfultransitions Linktransitiontypewithacollectionofstaticindividual,familyandschoolcharacteristics Identifywhichyoungpeoplearemoreatrisktoexperienceunsuccessfultransitionsintothelabourmarket6/19 Sequence Sequenceanalysis Objectives Themvaddataset-Variablelist Table:ListofVariablesintheMVADdataset id uniqueindividualidentier weight sampleweights male binarydummyforgender,1=male catholic binarydummyforcommunity,1=Catholic Belfast binarydummiesforlocationofschool,oneofveEducationandLibraryBoardareasinNorthernIreland N.Eastern " Southern S.Eastern " Western " Grammar binarydummyindicatingtypeofsecondaryeducation,1=grammarschool funemp binarydummyindicatingfather'semploymentstatusattimeofsurvey,1=fatherunemployed gcse5eq binarydummyindicatingqualicationsgainedbytheendofcompulsoryeducation,1=5+GCSEsatgradesA-C,orequivalent fmpr binarydummyindicatingSOCcodeoffather'scurrentormostrecentjob,1=SOC1(profes-sional,managerialorrelated) livboth binarydummyindicatinglivingarrangementsattimeofrstsweepofsurvey(June1995),1=livingwithbothparents jul93 MonthlyActivityVariablesarecoded1-6,1=school,2=FE,3=employment,4=training,5=joblessness,6=HE : " jun99 " 7/19 Sequence Sequenceanalysis Objectives Graphicalrepresentationofstatesequences Hereisagraphicalrepresentationoftherst10statesequences 8/19 Sequence Sequenceanalysis Objectives Theholisticapproach Holisticapproachofthelifecoursesversus"event-oriented"approach[?] Approachpromotedby? Eventhistoryorsurvivalanalysisfocusesontheoccurrenceofonespeciceventinthelifecourse Sequenceanalysisallowsamoregeneraloverviewofthelifecourses Theholisticapproachisbasedoriginallyonexploratoryanalysis(dataminingtechniques) Explanatorymethodsdevelopedmorerecently10/19 Sequence Sequenceanalysis Objectives Typicalquestions Someofthetypicalquestionsarisinginthesocialsciences: Dolifecoursesobeysomesocialnorm?Whicharethestandardtrajectories?Whatkindofdeparturesdoweobservefromthesestandards?Doweobserveade-standardizationofthelifetrajectories? Whyaresomepeoplemoreatrisktofollowachaotictrajectory? Howisthelifetrajectoryrelatedtosex,socialoriginandotherculturalfactors? Howisagivenoutcome,suchashealthstatusorincome,relatedtoatrajectory?11/19 Sequence Sequenceanalysis Objectives Whichtoolsdoweneed? Byconsideringwholesequenceswedealwithcomplexobjects Weneedspecialtoolsfordescribinganddisplayingthem Questionsregardingtheexplorationanddescriptionofsetsofsequencessuchas Whichcharacteristicsofsequencesareweinterestedin? Whatkindofindicatorscanwecomputeforasequenceset? Whichplotsaresuitedforrenderingsequences? Howcanwemeasuresimilaritybetweensequences? Fromamoreexplanatoryperspective,howcanwemeasureandassessthelinkbetweencovariatesandwholesequences?12/19 Sequence Sequenceanalysis Objectives Objectives Duringthiscourse,youwilllearnto: UsetheRstatisticalenvironnementandtheTraMineRpackage. Visualizestatesequenceswithvariousrepresentations 14/19 Sequence Sequenceanalysis Objectives Objectives-II Describesetsofsequencesusingoverallandtransversalcharacteristics. Describeindividualsequencesusinglongitudinalcharacteristics.15/19