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contrasteHipotesisMediasPareadas <- function () {
#invisible(library(tcltk2))
defaults <- list (initial.var1=gettext("<no variable selected>",domain="R-RcmdrPlugin.TeachStat"), initial.var2=gettext("<no variable selected>",domain="R-RcmdrPlugin.TeachStat"),initial.nconf="0.95",initial.alternative = "two.sided",initial.mu = "0.0")
dialog.values <- getDialog ("contrasteHipotesisMediasPareadas", defaults)
initializeDialog(title = gettext("Hypothesis Testing for paired means",domain="R-RcmdrPlugin.TeachStat"))
comboBoxFrame<-tkframe(top)
selectVariable1ICMediasPareadas <- variableComboBox(comboBoxFrame, variableList=Numeric(),
initialSelection=dialog.values$initial.var1, title=gettext("First variable (pick one)",domain="R-RcmdrPlugin.TeachStat"))
selectVariable2ICMediasPareadas <- variableComboBox(comboBoxFrame, variableList=Numeric(),
initialSelection=dialog.values$initial.var2, title=gettext("Second variable (pick one)",domain="R-RcmdrPlugin.TeachStat"))
optionsFrame <- tkframe(top)
radioButtons(optionsFrame, name = "alternative", buttons = c("twosided",
"less", "greater"), values = c("two.sided", "less", "greater"),
labels = gettext(c("Difference between population means != mu0_1-mu0_2", "Difference between population means < mu0_1-mu0_2",
"Difference between population means > mu0_1-mu0_2"),domain="R-RcmdrPlugin.TeachStat"), title = gettext("Alternative hypothesis",domain="R-RcmdrPlugin.TeachStat"),
initialValue = dialog.values$initial.alternative)
rightFrame<-tkframe(top)
muFrame <- tkframe(rightFrame)
muVariable <- tclVar(dialog.values$initial.mu)
muField <- ttkentry(muFrame, width = "5", textvariable = muVariable)
tkgrid(labelRcmdr(muFrame, text=gettext("Null hypothesis: mu_1 - mu_2 =",domain="R-RcmdrPlugin.TeachStat"), foreground=getRcmdr("title.color")), muField, sticky="nw")
nConfianzaFrame<-tkframe(rightFrame)
nConfianzaVar<-tclVar(dialog.values$initial.nconf)
nConfianzaEntry<-ttkentry(nConfianzaFrame,width="5",textvariable=nConfianzaVar)
# tkgrid(labelRcmdr(nConfianzaFrame, text="Nivel de Confianza (1-alpha)= ", foreground="blue" ),nConfianzaEntry, sticky="nw")
onOK <- function(){
var1ICMedia<-getSelection(selectVariable1ICMediasPareadas)
var2ICMedia<-getSelection(selectVariable2ICMediasPareadas)
if(var1ICMedia==gettext("<no variable selected>",domain="R-RcmdrPlugin.TeachStat")){errorCondition(recall=contrasteHipotesisMediasPareadas, message=gettext("No variable selected in First variable",domain="R-RcmdrPlugin.TeachStat"))
return()}
if(var2ICMedia==gettext("<no variable selected>",domain="R-RcmdrPlugin.TeachStat")){errorCondition(recall=contrasteHipotesisMediasPareadas, message=gettext("No variable selected in Second variable",domain="R-RcmdrPlugin.TeachStat"))
return()}
if(var1ICMedia==var2ICMedia){errorCondition(recall=contrasteHipotesisMediasPareadas, message=gettext("Selected variables must be different",domain="R-RcmdrPlugin.TeachStat"))
return()}
valornConfianza<-tclvalue(nConfianzaVar)
if(is.na(as.numeric(valornConfianza)) || (as.numeric(valornConfianza)<0)||(as.numeric(valornConfianza)>1)) {
valornConfianza<-0.95
errorCondition(recall=contrasteHipotesisMediasPareadas, message=gettext("Confidence level must be between 0 and 1",domain="R-RcmdrPlugin.TeachStat"))
return()
}
else{valornConfianza<-as.numeric(valornConfianza)}
valormu0<-tclvalue(muVariable)
if(is.na(as.numeric(valormu0))){
valormu0<-"0.0"
errorCondition(recall=contrasteHipotesisMediasPareadas, message=gettext("No valid value for the Null Hypothesis",domain="R-RcmdrPlugin.TeachStat"))
return()
}
else{ valormu0<-as.numeric(valormu0)}
varHAlternativa<-tclvalue(alternativeVariable)
putDialog ("contrasteHipotesisMediasPareadas", list(initial.var1=var1ICMedia,initial.var2=var2ICMedia,initial.nconf=valornConfianza,
initial.alternative = varHAlternativa,initial.mu = valormu0))
closeDialog()
###################### Imprimir la funciĆ³n a llamar por RCommander ###########################################
.activeDataSet<-ActiveDataSet()
vICMedia1<-paste(.activeDataSet,"$",var1ICMedia, sep="")
vICMedia2<-paste(.activeDataSet,"$",var2ICMedia, sep="")
Haltern<-paste('"',varHAlternativa,'"',sep="")
command2<- paste("aux<-t.test(",vICMedia1,", ",vICMedia2,", mu=",valormu0,", alternative=",Haltern,", paired = TRUE, conf.level=",valornConfianza,")",sep="")
tipointervalo<-paste('\\n',gettext("Hypothesis Testing for the mean difference of two paired samples",domain="R-RcmdrPlugin.TeachStat"),'\\n',sep="")
linaux<-paste(rep(c("-"," "),(nchar(tipointervalo)/2)),collapse="")
tipointervalo<-paste(tipointervalo, linaux,sep="")
command2<- paste("local({\n",command2,"\n",sep="")
resultado<-paste('cat("',tipointervalo, "\\nVariables: ", var1ICMedia," vs. ",var2ICMedia, "\\n",'")', sep="" )
distribucion<-paste('\n cat("',gettext("Distribution",domain="R-RcmdrPlugin.TeachStat"),':",names(aux$statistic),"',gettext("with",domain="R-RcmdrPlugin.TeachStat"),'",as.numeric(aux$parameter),"',gettext("degrees of freedom",domain="R-RcmdrPlugin.TeachStat"),'\\n")',sep="")
e.contraste<- paste('\n cat("',gettext("Test statistics value",domain="R-RcmdrPlugin.TeachStat"),':",as.numeric(aux$statistic),"\\n")',sep="")
p.valor<-paste('\n if(aux$p.value>0.05){cat("',gettext("p-value",domain="R-RcmdrPlugin.TeachStat"),':",format.pval(aux$p.value),"\\n")}
if(aux$p.value>=0.025 && aux$p.value<=0.05){cat("',gettext("p-value",domain="R-RcmdrPlugin.TeachStat"),':",format.pval(aux$p.value),"*\\n")}
if(aux$p.value>=0.0001 && aux$p.value<=0.025){cat("',gettext("p-value",domain="R-RcmdrPlugin.TeachStat"),':",format.pval(aux$p.value),"**\\n")}
if(aux$p.value>=0 && aux$p.value<=0.0001){cat("',gettext("p-value",domain="R-RcmdrPlugin.TeachStat"),':",format.pval(aux$p.value),"***\\n")}\n',sep="")
if (varHAlternativa == "two.sided"){h.alt<-paste(gettext("Population difference is not equal to",domain="R-RcmdrPlugin.TeachStat"),valormu0,sep=" ")}
if (varHAlternativa == "less"){h.alt<-paste(gettext("Population difference is less than",domain="R-RcmdrPlugin.TeachStat"),valormu0,sep=" ")}
if (varHAlternativa == "greater"){h.alt<- paste(gettext("Population difference is greater than",domain="R-RcmdrPlugin.TeachStat"),valormu0,sep=" ")}
h.alt<-paste('\n cat("',gettext("Alternative hypothesis",domain="R-RcmdrPlugin.TeachStat"),':","',h.alt,'","\\n")',sep="")
e.muestral<-paste('\n cat("',gettext("Sample estimate",domain="R-RcmdrPlugin.TeachStat"),':",names(aux$estimate),as.numeric(aux$estimate),"\\n")',sep="")
command2<- paste(command2, resultado, distribucion,e.contraste,p.valor, h.alt,e.muestral,"\n})",sep="" )
doItAndPrint(command2)
###############################################################################################################
##calcular_HCMediasPareadas(v.numerica=variableICMedia,varianza.conocida=varConocida,valor.varianza=valorvarianza, nivel.confianza=valornConfianza)
tkfocus(CommanderWindow())
}
OKCancelHelp(helpSubject = "t.test", reset="contrasteHipotesisMediasPareadas", apply="contrasteHipotesisMediasPareadas")
tkgrid(getFrame(selectVariable1ICMediasPareadas),labelRcmdr(comboBoxFrame, text=" "),getFrame(selectVariable2ICMediasPareadas), sticky="nw")
tkgrid(comboBoxFrame, sticky="nw")
tkgrid(labelRcmdr(top, text=" "), sticky="nw")
tkgrid(labelRcmdr(rightFrame, text=" "),sticky="nw")
tkgrid(muFrame,sticky="nw")
tkgrid(nConfianzaFrame, sticky="nw")
tkgrid(alternativeFrame,labelRcmdr(optionsFrame, text=" "),rightFrame, sticky="nw")
tkgrid(optionsFrame,sticky="nw")
tkgrid(buttonsFrame, sticky="w")
dialogSuffix()
}
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