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1、FreeTrainingTranscript:UnderstandingPillTypesWelcometothisvideoonUnderstandingPillTypes.YoucandownloadtheExerciseworkbooktofollowalonginyourowncopyofTableau.WhyPillTypeMattersWhenwebringafieldintotheviewfromthedatapane,Tableaucreatesapill.Whetherornotthatpillisadimensionorameasure,o
2、rcontinuousordiscrete,impactseveryleveloffunctionalityintheanalysis,fromthewaythedatadisplaystothedeeplytechnical,behindthescenesapproachtohowdataisprocessed.KnowingthefeaturesofhowTableauworkswithpillsisvitaltostayingincontroloftheanalysis.DimensionsandMeasuresMeasuresareusuallymet
3、rics,ornumericaldata,likeshippingcost.InsideofTableau,measuresareaggregations–they’reaggregateduptothegranularitysetbythedimensionsintheview.Thevalueofameasurethereforedependsonthecontextofthedimensions.Forexample,theresultforthesumofshippingcostisdependentonifwemeanoverall,justunde
4、ramillionandahalf,orperOrderPrioritylevel,from65toabout550thousand.DimensionsareusuallycategoricalfieldssuchasOrderPriorityandRegion.Specifically,inTableau,dimensionssetthegranularity,orthelevelofdetailintheview.Wetypicallywanttogroupourdatabysomecombinationofcategories.Whatdimensio
5、nsweusetobuildtheviewwilldeterminehowmanymarkswehave–herewehave4orderpriorities-criticaltolow–andwehave4marks.ContinuousandDiscreteWealsoneedtoconsiderifthepilliscontinuousordiscrete.Continuousnumberscantakeonanyvalueinarange.Discretenumbershavedistinct,separatevalues.ChangingDefaul
6、tPillTypesMostofthetime,dimensionsarediscreteandmeasuresarecontinuous.However,thisisn’talwaystrue.It’spossibletohaveanumericaldimensionbecontinuous,ortoconvertameasuretodiscrete.Forexample,Discountiscurrentlydownhereasacontinuousmeasure,wemaywanttochangeittodiscrete,byrightclickinga
7、ndselecting“convert2todiscrete”.Whenwehoveroverthepill,it’snowblue,andtheiconisblueaswell.WecanalsoconvertittoadimensionsimplybydraggingitintotheDimensionsareaofthedatapane.Notethatthosetwooperations–convertingtodiscreteandconvertingtoadimension,arenotsynonymous.Fortherestofthisvide
8、o,we’llmostlybetalk
