File:Taxa de perill malalts amb sida.svg

DescriptionTaxa de perill malalts amb sida.svg	Ænglisc: Hazard funtion patients diagnosed with AIDS in Australia before 1 July 1991 Català: Descripció de les dades: stat.ethz.ch/R-manual/R-patched/library/MASS/html/Aids2.html
Date	12 July 2012
Source	Own work
Author	Pep Roca
SVG development InfoField	The SVG code is valid.   This chart was created with R.

library(MASS)
# Càlcul del temps i variable estat
Aids2$DIES = Aids2$death - Aids2$diag
Aids2$ESTAT = as.integer(Aids2$status == "D")
# Selecció dels homosexuals (el valor de la variable ''T.categ'' és "hs") i les dos variables d'interès
AIDS2_HS = subset(Aids2, T.categ=="hs", select = c(ESTAT, DIES, state))
AIDS2_HS = subset(Aids2, T.categ=="hs", select = c(DIES, ESTAT))
library(survival)
AIDS2_HS.KM <- survfit(Surv(AIDS2_HS$DIES, AIDS2_HS$ESTAT) ~ 1)
library(epiR)
AIDS2_HS_TI <- epi.insthaz(AIDS2_HS.KM)
library(grDevices)
svg("mass_aids_hs_taxa.svg")
plot(AIDS2_HS_TI$time, AIDS2_HS_TI$est, xlab = "Temps (dies des del diagnòstic)", ylab = "h(t): Taxa de perill", ylim = c(0,.1), xlim=c(0, 2000), type = "l")
dev.off()

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