<font face="trebuchet ms,sans-serif">Alexandre,<br><br>A solução que estou postando é uma remediação, uma gambiarra. Depois eu vou procurar uma solução digna. Passei a string com excesso de espaços para o argumento title= da auto.key=, veja<br>
<br><span style="font-family: courier new,monospace;">barchart (modelo ~ teste$T4 |teste$T3 , data = teste, xlab = "XXXXX",ylab = " XXXXX", groups = teste$data,</span><br style="font-family: courier new,monospace;">
<span style="font-family: courier new,monospace;"> auto.key=list(title="a) ",</span><br style="font-family: courier new,monospace;"><span style="font-family: courier new,monospace;"> space="top", columns = 3, points = FALSE, rectangles = TRUE,</span><br style="font-family: courier new,monospace;">
<span style="font-family: courier new,monospace;"> cex=0.8, size=1.4, adj=1, between=0.2, between.colums=0.1),</span><br style="font-family: courier new,monospace;"><span style="font-family: courier new,monospace;"> #legend=list(top=list(fun=textGrob("a)"), x=0, just="left", gp=gpar(cex=0.8))),</span><br style="font-family: courier new,monospace;">
<span style="font-family: courier new,monospace;"> col=gray.colors(3)[1:3], box.ratio = 1.5, aspect=0.6, layout=c(1,4),</span><br style="font-family: courier new,monospace;"><span style="font-family: courier new,monospace;"> par.settings = list(</span><br style="font-family: courier new,monospace;">
<span style="font-family: courier new,monospace;"> superpose.polygon =list(col =gray.colors(3)),</span><br style="font-family: courier new,monospace;"><span style="font-family: courier new,monospace;"> fontsize=list(text=9)), par.strip.text=list(cex=0.9),</span><br style="font-family: courier new,monospace;">
<span style="font-family: courier new,monospace;"> scales = list(x = list(tick.number = 6)),</span><br style="font-family: courier new,monospace;"><span style="font-family: courier new,monospace;"> strip=strip.custom(bg="gray95",factor.levels=c("X1","X2","X3","X4")),</span><br style="font-family: courier new,monospace;">
<span style="font-family: courier new,monospace;"> panel=function(x, y, ...){</span><br style="font-family: courier new,monospace;"><span style="font-family: courier new,monospace;"> panel.barchart(x, y, ...)</span><br style="font-family: courier new,monospace;">
<span style="font-family: courier new,monospace;"> panel.abline(v=(9.8), col="gray60", lty=2)</span><br style="font-family: courier new,monospace;"><span style="font-family: courier new,monospace;"> })</span><br style="font-family: courier new,monospace;">
<br>À disposição.<br>Walmes.<br><br clear="all"></font><span style="font-family: trebuchet ms,sans-serif;">==========================================================================</span><br style="font-family: trebuchet ms,sans-serif;">
<span style="font-family: trebuchet ms,sans-serif;">Walmes Marques Zeviani</span><br style="font-family: trebuchet ms,sans-serif;"><span style="font-family: trebuchet ms,sans-serif;">LEG (Laboratório de Estatística e Geoinformação, 25.450418 S, 49.231759 W)</span><br style="font-family: trebuchet ms,sans-serif;">
<span style="font-family: trebuchet ms,sans-serif;">Departamento de Estatística - Universidade Federal do Paraná</span><br style="font-family: trebuchet ms,sans-serif;"><span style="font-family: trebuchet ms,sans-serif;">fone: (+55) 41 3361 3573</span><br style="font-family: trebuchet ms,sans-serif;">
<span style="font-family: trebuchet ms,sans-serif;">VoIP: (3361 3600) 1053 1173</span><br style="font-family: trebuchet ms,sans-serif;"><span style="font-family: trebuchet ms,sans-serif;">e-mail: <a href="mailto:walmes@ufpr.br" target="_blank">walmes@ufpr.br</a></span><br style="font-family: trebuchet ms,sans-serif;">
<span style="font-family: trebuchet ms,sans-serif;">twitter: @walmeszeviani</span><br style="font-family: trebuchet ms,sans-serif;"><span style="font-family: trebuchet ms,sans-serif;">homepage: <a href="http://www.leg.ufpr.br/%7Ewalmes" target="_blank">http://www.leg.ufpr.br/~walmes</a></span><br style="font-family: trebuchet ms,sans-serif;">
<span style="font-family: trebuchet ms,sans-serif;">linux user number: 531218</span><br style="font-family: trebuchet ms,sans-serif;"><span style="font-family: trebuchet ms,sans-serif;">==========================================================================</span><br>