diff --git a/Catégorie Portrait/.~lock.description.xlsx# b/Catégorie Portrait/.~lock.description.xlsx#
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+François Pelletier,francois,francois-K53SV,26.09.2015 13:48,file:///home/francois/.config/libreoffice/4;
\ No newline at end of file
diff --git a/Timeline/Rplot001.png b/Timeline/Rplot001.png
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diff --git a/Timeline/timeline.R b/Timeline/timeline.R
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+library(ggplot2)
+
+timeset<-data.frame(year=c(1600,1900,1950,2015),
+                    text=c('Art ancien','Art moderne','Art contemporain','Aujourd\'hui'),
+                    y=0)
+
+plot <- ggplot(timeset,aes(x=year,y=0)) +
+  geom_segment(aes(y=0,yend=y,xend=year)) +
+  geom_text(aes(label=text),size=2.5,vjust=-1) +
+  geom_point(aes(y=y)) +
+  scale_y_continuous(limits=c(-.25,.25)) +
+  geom_hline(y=0,size=1,color='purple') +
+  theme(axis.text.y = element_blank()) +
+  ylab('') +
+  xlab('')
+
+png(height=100)
+plot
+dev.off()
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