manipulatepackageInteractivePlotsforRStudio DescriptionInteractiveplottingfunctionsforusewithinRStudioDetailsThemanipulatefunctionacceptsaplottingexpressionandasetofcontrolsegsliderpickercheckb ID: 118925
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2manipulate-packageIndex12 manipulate-packageInteractivePlotsforRStudio DescriptionInteractiveplottingfunctionsforusewithinRStudio.DetailsThemanipulatefunctionacceptsaplottingexpressionandasetofcontrols(e.g.slider,picker,checkbox,orbutton)whichareusedtodynamicallychangevalueswithintheexpression.Whenavalueischangedusingitscorrespondingcontroltheexpressionisautomaticallyre-executedandtheplotisredrawn.Forexample,tocreateaplotthatenablesmanipulationofaparameterusingaslidercontrolyoucouldusesyntaxlikethis:manipulate(plot(1:x),x=slider(1,10))Afterthiscodeisexecutedtheplotisdrawnusinganinitialvalueof1forx.Amanipulatorpanelisalsoopenedadjacenttotheplotwhichcontainsaslidercontrolusedtochangethevalueofxfrom1to10.Examples##Notrun:##Createaplotwithamanipulatormanipulate(plot(1:x),x=slider(5,10))##Usingmorethanoneslidermanipulate(plot(cars,xlim=c(x.min,x.max)),x.min=slider(0,15),x.max=slider(15,30))##Filteringdatawithapickermanipulate(barplot(as.matrix(longley[,factor]),beside=TRUE,main=factor),factor=picker("GNP","Unemployed","Employed"))##Createapickerwithlabelsmanipulate(plot(pressure,type=type),type=picker("points"="p","line"="l","step"="s"))##Toggleboxplotoutlierdisplayusingcheckboxmanipulate(boxplot(Freq~Class,data=Titanic,outline=outline), 4checkbox},bins=slider(1,20,step=1,initial=5,label="Bins"),resetSeed=button("ResetSeed"))##End(Notrun) checkboxCreateacheckboxcontrol DescriptionCreateacheckboxcontroltoenablemanipulationoflogicalplotvariables.Usagecheckbox(initial=FALSE,label=NULL)ArgumentsinitialInitialvalueforcheckbox.Mustbelogical(defaultstoFALSE).labelDisplaylabelforcheckbox.Defaultstothevariablenameifnotspecied.ValueAnobjectofclass"manipulator.checkbox"whichcanbepassedtothemanipulatefunction.SeeAlsomanipulate,slider,picker,buttonExamples##Notrun:##Usingcheckboxesforbooleanparametersmanipulate(plot(cars,axes=axes,ann=label),axes=checkbox(TRUE,"DrawAxes"),label=checkbox(FALSE,"DrawLabels"))##Toggleboxplotoutlierdisplayusingcheckboxmanipulate(boxplot(Freq~Class,data=Titanic,outline=outline),outline=checkbox(FALSE,"Showoutliers"))##End(Notrun) ManipulatorCustomState7axes=checkbox(TRUE,"DrawAxes"),label=checkbox(FALSE,"DrawLabels"))##End(Notrun) ManipulatorCustomStateModifymanipulatorstate DescriptionThesefunctionsallowthestorageofcustomstatevariablesacrossmultipleevaluationsofmanipula-torexpressions.Thesefunctionsareusefulifthemanipulateexpressionisacustomfunction(ratherthanahighlevelplottingfunctionlikeplot)whichrequiresreadingandwritingofpersistentvalues.UsagemanipulatorSetState(name,value)manipulatorGetState(name)ArgumentsnameAchraracterstringholdingastatevariablename.valueAnobjectholdingastatevalue.ValuemanipulatorGetStatereturnsacustomstatevaluewhichwaspreviouslysetbymanipulatorSetState(orNULLifthespeciednameisnotfound).SeeAlsomanipulateExamples##Notrun:##setcustomstatevariablemanipulatorSetState("last",x)##getcustomstatevariablelastmanipulatorGetState("last")if(!is.null(last)){#dosomethinginteresting}##End(Notrun) picker9DescriptionCreateapickercontroltoenablemanipulationofplotvariablesbasedonasetofxedchoices.Usagepicker(...,initial=NULL,label=NULL)Arguments...Argumentscontainingobjectstobepresentedaschoicesforthepicker(oralistcontainingthechoices).Ifanelementisnamedthenthenameisusedtodisplayitwithinthepicker.Ifanelementisnotnamedthenitisdisplayedwithinthepickerusingas.character.initialInitialvalueforpicker.Valuemustbepresentinthelistofchoicesspecied.Ifnotspecieddefaultstotherstchoice.labelDisplaylabelforpicker.Defaultstothevariablenameifnotspecied.ValueAnobjectofclass"manipulator.picker"whichcanbepassedtothemanipulatefunction.SeeAlsomanipulate,slider,checkbox,buttonExamples##Notrun:##Filteringdatawithapickermanipulate(barplot(as.matrix(longley[,factor]),beside=TRUE,main=factor),factor=picker("GNP","Unemployed","Employed"))##Createapickerwithlabelsmanipulate(plot(pressure,type=type),type=picker("points"="p","line"="l","step"="s"))##Pickerwithgroupsmanipulate(barplot(as.matrix(mtcars[group,"mpg"]),beside=TRUE),group=picker("Group1"=1:11,"Group2"=12:22,"Group3"=23:32))##Histogramw/pickertoselecttyperequire(lattice)require(stats) slider11Examples##Notrun:##Createaplotwithaslidermanipulate(plot(1:x),x=slider(5,10))##Usemultipleslidersmanipulate(plot(cars,xlim=c(x.min,x.max)),x.min=slider(0,15),x.max=slider(15,30))##Specifyacustominitialvalueforaslidermanipulate(barplot(1:x),x=slider(5,25,initial=10))##Specifyacustomlabelforaslidermanipulate(barplot(1:x),x=slider(5,25,label="Limit"))##Specifyastepvalueforaslidermanipulate(barplot(1:x),x=slider(5,25,step=5))##End(Notrun)