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# # ade4
# # ==========================================================
# library( "ade4" )
# data (euro123)
# tot <- rbind.data.frame(euro123$in78, euro123$in86, euro123$in97)
# row.names(tot) <- paste(row.names(euro123$in78), rep(c(1,2,3), rep(12,3)),
# sep = "")
# triangle.plot(tot, label = row.names(tot), clab = 1)
# par( mfrow = c( 1, 2 ) )
# triangle.plot(tot, label = row.names(tot), clab = 1)
# par( "mgp" = c( 4, 1, 0.5 ) )
# triangle.plot(tot, label = row.names(tot), clab = 1)
# # plotrix
# # ==========================================================
# library( "plotrix" )
# dev.off()
# soils.sw.percent<-data.frame(
# Sand=c(67,67,66,67,36,25,24,59,27,9,8,8,20,
# 45,50,56,34,29,39,41,94,98,97,93,96,99),
# Silt=c(17,16,9,8,39,48,54,27,46,70,68,68,66,
# 34,30,24,48,53,46,48,2,2,2,4,1,1),
# Clay=c(16,17,25,25,25,27,22,14,27,21,24,24,
# 14,21,20,20,18,18,15,11,4,0,1,3,3,0))
# soils.sw.cols <- c(1, 1, 1, 1, 2, 2, 2, 2, 2, 3, 3,
# 3, 3, 4, 4, 4, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6)
# soils.sw.names <- c("Ardington","Astrop","Atrim",
# "Banbury","Beacon","Beckfoot")
# soil.texture.uk(soils.sw.percent,
# main = "Ternary Diagram for Some Soils from South West England",
# col.lines = "black", col.names = "black", show.grid = TRUE,
# col.grid = "blue", lty.grid = 2, pch = 16, cex = 1.0,
# col.symbols = soils.sw.cols, h1 = NA, h3 = NA, t1 = NA,
# t3 = NA , lwduk = 2, xpos = NA, ypos = NA,
# snames = NA, cexuk = 1.1)
# legend("topleft", legend = soils.sw.names, col = 1:max(soils.sw.cols),
# pch = 16, cex = 1.1, title = "Location", bty = "n")
# box( col = "red" )
# par( "mfrow" )
# dev.off()
# par( mfrow = c( 1, 2 ) )
# soil.texture.uk(soils.sw.percent,
# main = "Ternary Diagram for Some Soils from South West England",
# col.lines = "black", col.names = "black", show.grid = TRUE,
# col.grid = "blue", lty.grid = 2, pch = 16, cex = 1.0,
# col.symbols = soils.sw.cols, h1 = NA, h3 = NA, t1 = NA,
# t3 = NA , lwduk = 2, xpos = NA, ypos = NA,
# snames = NA, cexuk = 1.1)
# box( col = "red" )
# par( "mgp" = c( 4, 1, 0.5 ) )
# soil.texture.uk(soils.sw.percent,
# main = "Ternary Diagram for Some Soils from South West England",
# col.lines = "black", col.names = "black", show.grid = TRUE,
# col.grid = "blue", lty.grid = 2, pch = 16, cex = 1.0,
# col.symbols = soils.sw.cols, h1 = NA, h3 = NA, t1 = NA,
# t3 = NA , lwduk = 2, xpos = NA, ypos = NA,
# snames = NA, cexuk = 1.1)
# # vcd
# # ==========================================================
# library( "vcd" )
# data("Arthritis")
# ## Build table by crossing Treatment and Sex
# tab <- as.table(xtabs(~ I(Sex:Treatment) + Improved, data = Arthritis))
# ## Mark groups
# col <- c("red", "red", "blue", "blue")
# pch <- c(1, 19, 1, 19)
# dev.off()
# ## plot
# tp <- ternaryplot(
# tab,
# col = col,
# pch = pch,
# prop_size = TRUE,
# bg = "lightgray",
# grid_color = "white",
# labels_color = "white",
# main = "Arthritis Treatment Data"
# )
# ## legend
# box( col = "green" )
# fg <- grid_legend(0.8, 0.7, pch, col, rownames(tab), title = "GROUP")
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