Untitled

Statistic <- c(68,85,74,88,63,78,90,80,58,63)
Math <- c(85,91,74,100,82,84,78,100,51,70)
plot(Statistic, Math,
     pch = 19,
     col = "blue")

hist(Statistic, 
     freq = TRUE,
     col="green",
     main = "班上的統計成績",
     xlab = "統計成績",
     ylab = "次數")

library(ggplot2)
data <- data.frame(
  社團類型=c("娛樂休閒","知識閱讀","體育競技","科學創新","公益活動") ,  
  次數=c(185,82,36,28,25)
  )
ggplot(data, aes(x=社團類型, y=次數)) + 
  geom_bar(stat = "identity", width=0.2,
           fill="purple")

Prop <- c(185,82,36,28,25)
pie(Prop , labels = c("娛樂休閒","知識閱讀","體育競技","科學創新","公益活動")
    )

data <- data.frame(
  x=c("娛樂休閒","知識閱讀","體育競技","科學創新","公益活動"),
  y=c(185,82,36,28,25))
ggplot(data, aes(x=x, y=y)) +
  geom_segment( aes(x=x, xend=x, y=0, yend=y), color="blue") +
  geom_point( size=5, color="blue", fill=alpha("green", 0.3), alpha=0.7, shape=21, stroke=2)+
xlab("社團類型")+
ylab("人數")

library(readxl)

library(readr)

Data <- read.csv("C:/Users/user/Desktop/table1_1.csv")
Data

##      Name Statistic Math Japanese Management Accounting
## 1  張青松        68   85       84         89         86
## 2  王奕翔        85   91       63         76         66
## 3  田新雨        74   74       61         80         69
## 4  徐麗娜        88  100       49         71         66
## 5  張志傑        63   82       89         78         80
## 6  趙穎睿        78   84       51         60         60
## 7  王智強        90   78       59         72         66
## 8  宋媛婷        80  100       53         73         70
## 9  袁四方        58   51       79         91         85
## 10 張建國        63   70       91         85         82

summary(Data)

##      Name             Statistic          Math          Japanese    
##  Length:10          Min.   :58.00   Min.   : 51.0   Min.   :49.00  
##  Class :character   1st Qu.:64.25   1st Qu.: 75.0   1st Qu.:54.50  
##  Mode  :character   Median :76.00   Median : 83.0   Median :62.00  
##                     Mean   :74.70   Mean   : 81.5   Mean   :67.90  
##                     3rd Qu.:83.75   3rd Qu.: 89.5   3rd Qu.:82.75  
##                     Max.   :90.00   Max.   :100.0   Max.   :91.00  
##    Management      Accounting  
##  Min.   :60.00   Min.   :60.0  
##  1st Qu.:72.25   1st Qu.:66.0  
##  Median :77.00   Median :69.5  
##  Mean   :77.50   Mean   :73.0  
##  3rd Qu.:83.75   3rd Qu.:81.5  
##  Max.   :91.00   Max.   :86.0