ggplot R, error in grid call and font family

Question

[The font problem is solved but now the problem is with the letters are not on the bar of SBT. It gives me two times SBT, highlighted in figure]

I am using ggplot for a barplot and am getting this error.

In grid.Call.graphics(L_text, as.graphicsAnnot(x$label), x$x, x$y,  :
  font family not found in Windows font database

I tried to install extrafont but still get this error. Im using R.version 3.4.2 Following is my code:

library(ggplot2)
    plot2 <- ggplot(Test, aes(x=factor(Test$habitat3), y=proportion, fill=proportion)) + 
geom_bar(stat="identity", position="stack", colour="black", fill="grey") +
geom_errorbar(aes(ymin=stdlow, ymax=stlup, width=0, position="identity")) +
xlab("Habitat") +
ylab("root abundance") +
coord_cartesian(ylim = c(0, 1)) +
scale_y_continuous(expand=c(0,0)) +
theme(axis.title.x=element_text(margin = unit(c(6, 0, 0, 0), "mm"))) +
theme(axis.title.y=element_text(margin = unit(c(0, 6, 0, 0), "mm"))) +
theme(axis.line.x = element_line(color="black"), axis.line.y = element_line(color="black")) +
theme(text = element_text(size=14, colour = "black")) +
theme(legend.position="none") +
theme(axis.text.y = element_text(size = 14, colour = "black")) +
theme(axis.text.x = element_text(size = 14, colour = "black")) +
theme(plot.background=element_blank(),  
panel.grid.major=element_blank(),
panel.background=element_blank(),  
panel.grid.minor=element_blank(), 
legend.key=element_blank(),
legend.background=element_blank()) +
theme(text=element_text(family = "Arial")) +
annotate("text", x="PV", y=3.1, label="ab") +
annotate("text", x="WB", y=4.18, label="a") +
annotate("text", x="AF", y=2.98, label="b") +
annotate("text", x="EZ", y=3.43, label="ab")

what is the exact error?

sissy
– sissy

2017-10-10 08:49:16 +00:00
Commented Oct 10, 2017 at 8:49 — sissy
– sissy, Commented Oct 10, 2017 at 8:49
Please provide a reproducible example

Hardik Gupta
– Hardik Gupta

2017-10-10 08:50:26 +00:00
Commented Oct 10, 2017 at 8:50 — Hardik Gupta
– Hardik Gupta, Commented Oct 10, 2017 at 8:50
use dput(YOUR_DATA)

Andre Elrico
– Andre Elrico

2017-10-10 09:02:11 +00:00
Commented Oct 10, 2017 at 9:02 — Andre Elrico
– Andre Elrico, Commented Oct 10, 2017 at 9:02

clemens · Accepted Answer · 2017-10-10 09:04:10Z

4

You can try to register the fonts first using extrafont.

library(extrafont)

font_import()

loadfonts(device = "postscript")

Then you can use it in ggplot2:

library(ggplot2)

p <- ggplot(mtcars, aes(wt, mpg, label = rownames(mtcars)))

p + geom_text(family = "Arial")

This produces:

answered Oct 10, 2017 at 9:04

clemens

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