## Rural Male Rural Female Urban Male Urban Female
## 50-54 11.7 8.7 15.4 8.4
## 55-59 18.1 11.7 24.3 13.6
## 60-64 26.9 20.3 37.0 19.3
## 65-69 41.0 30.9 54.6 35.1
## 70-74 66.0 54.3 71.1 50.0
## [1] "matrix"
## [1] dotplot.array* dotplot.default* dotplot.formula* dotplot.matrix*
## [5] dotplot.numeric* dotplot.table*
## see '?methods' for accessing help and source code
##
dotplot(VADeaths, groups=FALSE,
layout=c(1, 4),##1行4列
aspect=0.7, ##圖形寬度
origin=0, ##原點
type=c("p", "h"),##畫點線
main="Death Rates in Virginia - 1940",
xlab="Rate (per 1000)") ##圖標題名稱及X軸名稱##畫圖,類型以o表示,在右側列出組別名稱
dotplot(VADeaths, type="o",
auto.key=list(lines=TRUE, space="right"),
main="Death Rates in Virginia - 1940",
xlab="Rate (per 1000)")##barchart長條圖 ,一行四列
barchart(VADeaths, groups=FALSE,
layout=c(1, 4),
aspect=0.7,
reference=FALSE,
main="Death Rates in Virginia - 1940",
xlab="Rate (per 100)")##讀取postdoc資料
data(postdoc, package="latticeExtra")
##話長條圖來計算百分比
barchart(prop.table(postdoc, margin=1),
xlab="Proportion",
auto.key=list(adj=1))##畫點圖算各組所佔的百分比
dotplot(prop.table(postdoc, margin=1),
groups=FALSE,
xlab="Proportion",
par.strip.text=list(abbreviate=TRUE, minlength=10))##畫點圖,五列一行,排序資料
dotplot(prop.table(postdoc, margin=1),
groups=FALSE,
index.cond=function(x, y) median(x),
xlab="Proportion",
layout=c(1, 5),
aspect=0.6,
scales=list(y=list(relation="free", rot=0)),
prepanel=function(x, y) {
list(ylim=levels(reorder(y, x)))
},
panel=function(x, y, ...) {
panel.dotplot(x, reorder(y, x), ...)
})##一樣讀取資料
data(Chem97, package="mlmRev")
##劃出gcsescore和gender的table
gcsescore.tab <- xtabs(~ gcsescore + gender, Chem97)
head(gcsescore.tab)## gender
## gcsescore M F
## 0 1 0
## 1 2 0
## 1.5 0 1
## 2 1 0
## 2.083 1 0
## 2.428 1 1
## gcsescore gender Freq
## 1 0 M 1
## 2 1 M 2
## 3 1.5 M 0
## 4 2 M 1
## 5 2.083 M 1
## 6 2.428 M 1
##as.numeric將gcsescore轉換成數字形式
gcsescore.df$gcsescore <- as.numeric(as.character(gcsescore.df$gcsescore))
##畫圖,二列一行,資料為gcsescore.df中的Freq ~ gcsescore和gender,X軸顯示Average GCSE Score
xyplot(Freq ~ gcsescore | gender,
data = gcsescore.df,
type="h",
layout=c(1, 2),
xlab="Average GCSE Score")## gender
## score M F
## 0 2198 1490
## 2 2027 1600
## 4 2555 2064
## 6 3103 2636
## 8 3634 3034
## 10 3745 2936
## score gender Freq
## 1 0 M 2198
## 2 2 M 2027
## 3 4 M 2555
## 4 6 M 3103
## 5 8 M 3634
## 6 10 M 3745