Visualization of contingency table in R - vcd package

1. Visualization of contingency tables in R using mosaic function form vcd
package
#IMPORT vcd PACKAGE
> library(vcd)
>
> #SIMULATE DATA
> set.seed(1984)
> #municipalities#
> municipality <- sample(c("Andrijevica","Bar","Berane","Bijelo
Polje","Budva","Cetinje",
+ "Danilovgrad", "Herceg
Novi","Kolasin","Kotor","Mojkovac","Niksic",
+
"Plav","Pluzine","Pljevlja","Podgorica","Rozaje","Savnik","Tivat","Ulcinj","Zabljak"),
+ 1000, rep=TRUE)
> #enumeration area type#
> ea_type <- sample(factor(c("Urban", "Rural"), levels=c("Urban", "Rural"),
order=TRUE),
+ 1000, rep=TRUE)
>
> #CREATE CONTINGENCY TABLE
> con_table <- table(municipality, ea_type)
> con_table
ea_type
municipality Urban Rural
Andrijevica 23 29
Bar 19 18
Berane 25 19
Bijelo Polje 27 22
Budva 26 21
Cetinje 27 26
Danilovgrad 32 20
Herceg Novi 26 25
Kolasin 32 18
Kotor 33 22
Mojkovac 18 27
Niksic 24 16
Plav 22 32
Pljevlja 30 17
Pluzine 16 25
Podgorica 19 22
Rozaje 27 25
Savnik 26 27
Tivat 18 25
Ulcinj 22 20
Zabljak 28 24
> #GIVE NAMES TO TABLE DIMENSIONS#
> names(dimnames(con_table)) <- c("Municipality", "Enumeration Area Type")
>
> #CREATE MOSAIC PLOT
> windows(width=18, height=17)
> mosaic(con_table,pop=FALSE, main="Visualisation of Contingency table usingn mosaic
function from vcd package",
+ highlighting=1:2, highlighting_fill=c("lightblue", "gray"),
+ main_gp=gpar(fontsize=13, fontfamily="serif"),
+ sub_gp=gpar(fontsize=12, fontfamily="serif", col="red"),
+ labeling_args=list(rot_labels=c(bottom=0,top=0, left=
0),gp_labels=gpar(fontsize=9, fontfamily="serif"),
+ gp_varnames=gpar(fontsize=11,fontfamily="serif"),
+ offset_labels=c(0,0,0,1.45),

2. + offset_varnames=c(0.3,0,0,2.5)))
>
> #ADD LABLES TO PLOT
> labeling_cells(text=con_table , clip_cells=FALSE,
gp_text=gpar(fontsize=8))(con_table)
>
> sessionInfo()
R version 2.15.2 (2012-10-26)
Platform: x86_64-w64-mingw32/x64 (64-bit)
locale:
[1] LC_COLLATE=English_United States.1252 LC_CTYPE=English_United States.1252
[3] LC_MONETARY=English_United States.1252 LC_NUMERIC=C
[5] LC_TIME=English_United States.1252
attached base packages:
[1] grid stats graphics grDevices utils datasets methods base
other attached packages:
[1] RODBC_1.3-6 vcd_1.2-13 colorspace_1.2-0 MASS_7.3-22
loaded via a namespace (and not attached):
[1] tools_2.15.2