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- # Variavel Qualitativa vs Variavel Qualitativa
- #######################################################################
- # Tabela de Frequencias (absoluta e relativa)
- #######################################################################
- # Tabela Cruzada
- #o primeiro presenta parte horizontal e o segundo a vertical
- f.absolutas <- table(cancer$Grau,cancer$Local)
- f.relativas <- f.absolutas/c(sum(f.absolutas[1,]),sum(f.absolutas[2,]),sum(f.absolutas[3,]))
- #######################################################################
- # Diagrama de Colunas
- #######################################################################
- barplot(table(cancer$Local),ylab="Frequencia Absoluta",xlab="Hipertensao")
- barplot(table(cancer$Local)/nrow(dados),ylab="Frequencia Relativa",xlab="Hipertensao",col=c("green","red"))
- # Grafico de barras Cruzados
- f.absolutas <- table(cancer$Grau,cancer$Local)
- f.relativas <- f.absolutas/c(sum(f.absolutas[1,]),sum(f.absolutas[2,]))
- bmp("questaoe.bmp")
- barplot(f.relativas,beside=T,col=c("orange","yellow","blue"),xlab="Grau de diferenciacao do tumor",ylab="Frequencia Relativa",names.arg=c("Arco", "Fossa", "Faringe"))
- legend("topleft",fill=c("orange","yellow","blue"),legend=c("Bem diferenciado","Moderadamante","Pouco"),bty="n")
- graphics.off()
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