# ### 資料框處理
# 電視收視,男女大不同?
# # 請至台灣傳播資料庫下載「2019年調查」的sav檔
# RQ1:男、女性常看的戲劇節目種類是否有差異?
# RQ2:男、女性在看劇的時間是否有差異?
# RQ3:男、女性在不同戲劇節目的看劇時間是否有差異?

## 1. 將輸入的sav檔案命名為tcs2019
library(sjlabelled)
tcs2019 <- read_spss("tcs2019.sav")
# 檢視資料
#install.packages("sjPlot")
# library(sjPlot)
# view_df(tcs2019,
#         file="tcs2019tab.html",  # 結果直接另存新檔
#         show.na = T, # 顯示未重新編碼前的無效值個數
#         show.frq = T, # 顯示次數
#         show.prc = T, # 顯示百分比
#         encoding = "big5"
# )

# RQ1:男、女性常看的戲劇節目種類是否有差異?
# 所需分析變數
# 性別:a1
# 戲劇類型(>200):g3.2,g3.3,g3.5,g3.6,g3.8,g3.11,g3.17

# 將所需變數,創資料框
names(tcs2019)
##   [1] "id"       "type"     "a1"       "a2"       "a3"       "a3.a"    
##   [7] "a4"       "a5.1"     "a6"       "a6.a"     "a7"       "a7.a"    
##  [13] "a8"       "a8.a"     "a9"       "a9.a"     "b1"       "b2a"     
##  [19] "b3a"      "b3b"      "b3c"      "b3d"      "b3e"      "b3f"     
##  [25] "b4.1.a.1" "b4.1.a.2" "b4.1.b.1" "b4.1.b.2" "b4.2.a.1" "b4.2.a.2"
##  [31] "b4.2.b.1" "b4.2.b.2" "b4.3.a.1" "b4.3.a.2" "b4.3.b.1" "b4.3.b.2"
##  [37] "c1a"      "c1b.1"    "c1b.2"    "c1c.1"    "c1c.2"    "c1c.3"   
##  [43] "c1c.4"    "c1c.5"    "c1c.6"    "c1c.7"    "c1c.13"   "c1c.12"  
##  [49] "c1c.36"   "c1c.10"   "c1c.14"   "c1c.17"   "c1c.11"   "c1c.15"  
##  [55] "c1c.19"   "c1c.41"   "c1c.42"   "c1c.43"   "c1c.28"   "c1c.35"  
##  [61] "c1c.16"   "c1c.20"   "c1c.21"   "c1c.22"   "c1c.26"   "c1c.30"  
##  [67] "c1c.31"   "c1c.32"   "c1c.33"   "c1c.34"   "c1c.37"   "c1c.38"  
##  [73] "c1c.40"   "c1c.44"   "c1c.88"   "c1c.a"    "c3a"      "c3b.1"   
##  [79] "c3b.2"    "c3c.24"   "c3c.28"   "c3c.21"   "c3c.26"   "c3c.6"   
##  [85] "c3c.1"    "c3c.2"    "c3c.4"    "c3c.5"    "c3c.18"   "c3c.8"   
##  [91] "c3c.17"   "c3c.19"   "c3c.9"    "c3c.23"   "c3c.16"   "c3c.13"  
##  [97] "c3c.22"   "c3c.11"   "c3c.15"   "c3c.14"   "c3c.20"   "c3c.12"  
## [103] "c3c.10"   "c3c.25"   "c3c.27"   "c3c.7"    "c3c.29"   "c3c.30"  
## [109] "c3c.32"   "c3c.33"   "c3c.34"   "c3c.35"   "c3c.36"   "c3c.37"  
## [115] "c3c.38"   "c3c.39"   "c3c.40"   "c3c.41"   "c3c.42"   "c3c.43"  
## [121] "c3c.44"   "c3c.45"   "c3c.46"   "c3c.47"   "c3c.48"   "c3c.49"  
## [127] "c3c.50"   "c3c.51"   "c3c.52"   "c3c.53"   "c3c.54"   "c3c.55"  
## [133] "c3c.56"   "c3c.57"   "c3c.58"   "c3c.59"   "c3c.60"   "c3c.61"  
## [139] "c3c.88"   "c3c.a"    "d1a"      "d1b.1"    "d1b.2"    "d2a"     
## [145] "d2b.1"    "d2b.2"    "e1"       "e2.1"     "e2.2"     "f1"      
## [151] "f2.1"     "f2.2"     "f3"       "f4.1"     "f4.2"     "f5"      
## [157] "f6.1"     "f6.2"     "f7"       "f7.a"     "g1"       "g2.1"    
## [163] "g2.2"     "g3.1"     "g3.2"     "g3.3"     "g3.4"     "g3.5"    
## [169] "g3.6"     "g3.7"     "g3.8"     "g3.9"     "g3.10"    "g3.11"   
## [175] "g3.12"    "g3.13"    "g3.14"    "g3.15"    "g3.16"    "g3.17"   
## [181] "g3.18"    "g3.19"    "g3.20"    "g3.21"    "g3.22"    "g3.23"   
## [187] "g3.24"    "g3.25"    "g3.26"    "g3.27"    "g3.28"    "g3.29"   
## [193] "g3.30"    "g3.31"    "g3.32"    "g3.33"    "g3.34"    "g3.35"   
## [199] "g3.36"    "g3.88"    "g3.a"     "g4.1"     "g4.1.a"   "g4.2"    
## [205] "g4.2.a"   "g5.0.1"   "g5.0.2"   "g5.0.3"   "g5.0.4"   "g5.0.5"  
## [211] "g5.0.6"   "g5.0.7"   "g5.0.8"   "g5.0.9"   "g5.0.10"  "g5.0.11" 
## [217] "g5.0.12"  "g5.0.13"  "g5.0.14"  "g5.0.15"  "g5.0.88"  "g5.0.a"  
## [223] "g5.5"     "g5.6"     "g5.7"     "g5.8"     "g5.9"     "g5.10"   
## [229] "g5.11"    "g5.12"    "g5.14"    "h1"       "h2"       "h3"      
## [235] "h4.1.a.1" "h4.1.a.2" "h4.1.b.1" "h4.1.b.2" "h4.2.a.1" "h4.2.a.2"
## [241] "h4.2.b.1" "h4.2.b.2" "h4.3.a.1" "h4.3.a.2" "h4.3.b.1" "h4.3.b.2"
## [247] "h5.1"     "h5.2"     "h5.3"     "h5.4"     "h5.5"     "h5.6"    
## [253] "h5.7"     "h5.8"     "ha1"      "ha2"      "ha3a.1"   "ha3a.2"  
## [259] "ha3a.3"   "ha3a.4"   "ha3a.5"   "ha3a.6"   "ha3a.7"   "ha3a.99" 
## [265] "ha3b.1"   "ha3b.2"   "ha3b.3"   "ha3b.4"   "ha3b.5"   "ha3b.6"  
## [271] "ha3b.7"   "ha3b.99"  "ha4"      "ha5a.1"   "ha5a.2"   "ha5a.3"  
## [277] "ha5a.4"   "ha5a.5"   "ha5a.6"   "ha5a.99"  "ha5b.1"   "ha5b.2"  
## [283] "ha5b.3"   "ha5b.4"   "ha5b.5"   "ha5b.6"   "ha5b.99"  "ha5c.1"  
## [289] "ha5c.2"   "ha5c.3"   "ha5c.4"   "ha5c.5"   "ha5c.6"   "ha5c.99" 
## [295] "ha6.1"    "ha6.2"    "ha6.3"    "ha6.4"    "ha6.5"    "ha6.6"   
## [301] "ha6.7"    "ha6.99"   "ha7.1"    "ha7.2"    "ha7.3"    "ha7.4"   
## [307] "ha7.5"    "ha7.6"    "ha7.7"    "ha7.99"   "i1"       "i1.a"    
## [313] "i2"       "i2.a"     "i3"       "i3.a"     "i4.1"     "i4.2"    
## [319] "i4.3"     "i4.4"     "i4.5"     "i5a.1"    "i5a.2"    "i5a.3"   
## [325] "i5a.4"    "i5a.5"    "i5a.6"    "i5a.7"    "i5a.8"    "i5a.9"   
## [331] "i5a.10"   "i5a.88"   "i5a.a"    "i5a.90"   "i5b.1"    "i5b.2"   
## [337] "i5b.3"    "i5b.4"    "i5b.5"    "i5b.6"    "i5b.88"   "i5b.a"   
## [343] "i5b.90"   "i6.1"     "i6.2"     "i6.3"     "i6.4"     "i6.5"    
## [349] "i6.90"    "i7a"      "i7b"      "i7c"      "i8.1"     "i8.2"    
## [355] "i8.3"     "i8.4"     "i8.5"     "i8.6"     "i8.7"     "i8.8"    
## [361] "i8.88"    "i8.a"     "i9.1.1"   "i9.1.2"   "i9.1.3"   "i9.1.4"  
## [367] "i9.1.5"   "i9.1.6"   "i9.1.7"   "i9.1.8"   "i9.1.9"   "i9.1.10" 
## [373] "i9.1.88"  "i9.1.a"   "i9.2.1"   "i9.2.2"   "i9.2.3"   "i9.2.4"  
## [379] "i9.2.5"   "i9.2.6"   "i9.2.7"   "i9.2.8"   "i9.2.88"  "i9.2.a"  
## [385] "i10.1"    "i10.2"    "i10.3"    "i10.4"    "i10.5"    "i10.6"   
## [391] "i10.7"    "i10.8"    "i10.88"   "i10.a"    "i11.1"    "i11.2"   
## [397] "i11.3"    "i11.4"    "i11.5"    "i11.6"    "i11.7"    "i11.8"   
## [403] "i11.88"   "i11.a"    "i12.1"    "i12.2.1"  "i12.2.2"  "i12.2.3" 
## [409] "i12.2.4"  "i12.2.5"  "i12.2.6"  "i12.2.7"  "i12.2.8"  "i12.2.88"
## [415] "i12.2.a"  "n1.1"     "n1.2"     "n1.3"     "n1.4"     "n1.5"    
## [421] "n1.6"     "n1.7"     "n1.8"     "n1.9"     "n1.10"    "n2.1"    
## [427] "n2.2"     "n2.3"     "n2.4"     "n2.5"     "n2.6"     "n2.7"    
## [433] "n2.8"     "n2.9"     "n2.10"    "n2.11"    "n2.12"    "n2.13"   
## [439] "n2.14"    "j1a"      "j1b.1"    "j1b.2"    "j1c.1"    "j1c.2"   
## [445] "j1c.3"    "j1c.4"    "j1c.5"    "j1c.6"    "j1c.8"    "j1c.9"   
## [451] "j1c.10"   "j1c.11"   "j1c.12"   "j1c.13"   "j1c.88"   "j1c.a"   
## [457] "j2.1"     "j2.2"     "j2.3"     "j2.4"     "j2.5"     "j2.6"    
## [463] "j2.7"     "j2.8"     "j2.9"     "k1"       "k2.1"     "k2.2"    
## [469] "k3.1"     "k3.3"     "k3.4"     "k3.6"     "k3.7"     "k3.8"    
## [475] "k3.88"    "k3.a"     "k4.1"     "k4.2"     "k4.3"     "k4.4"    
## [481] "k4.5"     "k4.6"     "k4.7"     "k4.8"     "k4.9"     "k4.10"   
## [487] "k4.11"    "k4.12"    "k4.13"    "k4.14"    "k4.15"    "k4.88"   
## [493] "k4.a"     "k5.1"     "k5.2"     "k5.3"     "k5.4"     "k5.5"    
## [499] "k5.6"     "k6.1"     "k6.2"     "k6.3"     "k6.4"     "k7"      
## [505] "k9.1"     "k9.2"     "k9.3"     "k9.4"     "k9.5"     "k10"     
## [511] "k11.1"    "k11.2"    "k11.3"    "k11.4"    "k11.5"    "k12"     
## [517] "k13"      "k14"      "k15.1"    "k15.2"    "k15.3"    "k15.4"   
## [523] "k15.5"    "k15.6"    "k15.7"    "k15.88"   "k15.a"    "k16.1"   
## [529] "k16.2"    "l1a"      "l1b"      "l3a"      "l3b"      "l5.1"    
## [535] "l5.2"     "l6"       "l7"       "l8"       "l9a"      "l9b.1"   
## [541] "l9b.2"    "l9b.3"    "l9b.4"    "l10a"     "l10b.1"   "l10b.2"  
## [547] "l10b.3"   "l10b.4"   "l11a"     "l11b.1"   "l11b.2"   "l11b.3"  
## [553] "l11b.4"   "l12"      "l13"      "l14"      "l14.a"    "l15"     
## [559] "m1.1"     "m1.2"     "m1.3"     "m1.4"     "m1.5"     "m1.6"    
## [565] "m1.7"     "m1.8"     "m1.9"     "m2a.1"    "m2a.2"    "m2a.3"   
## [571] "m2a.4"    "m2a.5"    "m2a.6"    "m2a.7"    "m2a.8"    "m2a.9"   
## [577] "n3a.1"    "n3a.2"    "n3a.3"    "n3a.4"    "n3a.5"    "n3b"     
## [583] "n4"       "n5"       "n6"       "n7"       "n8a"      "n8b"     
## [589] "n9.1"     "n9.2"     "n9.3"     "n9.4"     "n10a"     "n10b"    
## [595] "n11a"     "n11b"     "o1"       "o1.a"     "o2"       "o2.a"    
## [601] "o3a"      "o3a.a"    "o3b"      "o3b.a"    "o4"       "ra2"     
## [607] "rra2"     "rcity"    "ra9"      "rb3a"     "rb3b"     "rb3c"    
## [613] "rb3e"     "rb4.1.a"  "rrb4.1.a" "rb4.1.b"  "rrb4.1.b" "rb4.2.a" 
## [619] "rrb4.2.a" "rb4.2.b"  "rrb4.2.b" "rb4.3.a"  "rrb4.3.a" "rb4.3.b" 
## [625] "rrb4.3.b" "rc1b"     "rrc1b"    "rc3b"     "rrc3b"    "rd1b"    
## [631] "rrd1b"    "rd2b"     "rrd2b"    "re2"      "rre2"     "rf2"     
## [637] "rrf2"     "rf4"      "rrf4"     "rf6"      "rrf6"     "rg2"     
## [643] "rrg2"     "rh4.1.a"  "rrh4.1.a" "rh4.1.b"  "rrh4.1.b" "rh4.2.a" 
## [649] "rrh4.2.a" "rh4.2.b"  "rrh4.2.b" "rh4.3.a"  "rrh4.3.a" "rh4.3.b" 
## [655] "rrh4.3.b" "rh5.8"    "ri4.1"    "ri4.2"    "ri4.3"    "ri4.4"   
## [661] "ri4.5"    "rj1b"     "rrj1b"    "rk2"      "rrk2"     "rl6"     
## [667] "rl7"      "ro3b.a"   "weight"
df1 <- tcs2019[,c(3,165,166,168,169,171,174,180)]

# 複選題處理,需填補遺漏值為0
df1[is.na(df1)] <- 0
# 透過tidyr套件中的gather將寬格式轉為長格式(詳見ch12)
#install.packages("tidyr")
library(tidyr)
df2 <- gather(df1, key = "type", value = "count", g3.2,g3.3,g3.5,g3.6,g3.8,g3.11,g3.17)
## Warning: attributes are not identical across measure variables;
## they will be dropped
# 篩選出count==1的資料框
df3 <- subset(df2, count==1)

# 製作次數分配表
## 製表
# install.packages("sjPlot")
library(sjPlot)
## Install package "strengejacke" from GitHub (`devtools::install_github("strengejacke/strengejacke")`) to load all sj-packages at once!
sjt.xtab(tcs2019$g3.2, tcs2019$a1,encoding = "utf-8",
         show.cell.prc = T,show.row.prc = T,show.col.prc = T)    
G3.請問你最常看哪些類型的戲劇節目?-愛情文藝 A1.性別 Total
愛情文藝 46
17.8 %
100 %
17.8 %
213
82.2 %
100 %
82.2 %
259
100 %
100 %
100 %
Total 46
17.8 %
100 %
17.8 %
213
82.2 %
100 %
82.2 %
259
100 %
100 %
100 %
χ2=107.680 · df=0 · φ=0.000 · p=0.000
sjt.xtab(df3$type, df3$a1,encoding = "utf-8",
         show.cell.prc = T,show.row.prc = T,show.col.prc = T)
type a1 Total
1 2
g3.11 105
26.3 %
16.5 %
4.9 %
294
73.7 %
19.4 %
13.7 %
399
100 %
18.6 %
18.6 %
g3.17 76
36.9 %
11.9 %
3.5 %
130
63.1 %
8.6 %
6.1 %
206
100 %
9.6 %
9.6 %
g3.2 46
17.8 %
7.2 %
2.1 %
213
82.2 %
14.1 %
9.9 %
259
100 %
12.1 %
12 %
g3.3 83
24 %
13.1 %
3.9 %
263
76 %
17.4 %
12.2 %
346
100 %
16.1 %
16.1 %
g3.5 126
30.7 %
19.8 %
5.9 %
284
69.3 %
18.8 %
13.2 %
410
100 %
19.1 %
19.1 %
g3.6 107
43.3 %
16.8 %
5 %
140
56.7 %
9.3 %
6.5 %
247
100 %
11.5 %
11.5 %
g3.8 93
33.1 %
14.6 %
4.3 %
188
66.9 %
12.4 %
8.8 %
281
100 %
13.1 %
13.1 %
Total 636
29.6 %
100 %
29.6 %
1512
70.4 %
100 %
70.4 %
2148
100 %
100 %
100 %
χ2=54.176 · df=6 · Cramer’s V=0.159 · p=0.000
# 2. 安裝並載入 ggplot2
# install.packages("ggplot2")
# 載入 ggplot2
library(ggplot2)
# 解決Rstudio cloud圖形中文顯示問題
# install.packages("showtext")
library(showtext)
## Loading required package: sysfonts
## Loading required package: showtextdb
showtext_auto()

## 製圖
# 1. 變數處理
# (1) 將要繪製的變數變成類別變數或先進行排序
class(df3$type)
## [1] "character"
class(df3$a1)
## [1] "numeric"
df3$type <- as.factor(df3$type)
df3$a1 <- as.factor(df3$a1)

ggplot(df3, 
       aes(x=type, fill=a1))+
  geom_bar(position = "dodge")+
  labs(title = "男女常看各戲劇節目比較",x="戲劇節目種類",y="人數",
       subtitle="男、女性常看的戲劇節目種類是否有差異?",
       caption="資料來源:台灣傳播資料庫")+
  scale_x_discrete(labels = c("g3.11"="家庭劇","g3.17"="社會寫實",
                              "g3.2"="愛情文藝","g3.3"="宮廷劇",
                              "g3.5"="鄉土劇","g3.6"="歷史劇","g3.8"="喜劇"))+
  theme(axis.title.y = element_text(vjust = 0.5, hjust = 0.5, angle = 0))+
  scale_fill_discrete("性別",labels=c("1"="男性","2"="女性"))

# RQ2:男、女性在看劇的時間是否有差異?
# 所需分析變數
# 性別:a1
# 看劇時間:rg2

# 將所需變數,創資料框
names(tcs2019)
##   [1] "id"       "type"     "a1"       "a2"       "a3"       "a3.a"    
##   [7] "a4"       "a5.1"     "a6"       "a6.a"     "a7"       "a7.a"    
##  [13] "a8"       "a8.a"     "a9"       "a9.a"     "b1"       "b2a"     
##  [19] "b3a"      "b3b"      "b3c"      "b3d"      "b3e"      "b3f"     
##  [25] "b4.1.a.1" "b4.1.a.2" "b4.1.b.1" "b4.1.b.2" "b4.2.a.1" "b4.2.a.2"
##  [31] "b4.2.b.1" "b4.2.b.2" "b4.3.a.1" "b4.3.a.2" "b4.3.b.1" "b4.3.b.2"
##  [37] "c1a"      "c1b.1"    "c1b.2"    "c1c.1"    "c1c.2"    "c1c.3"   
##  [43] "c1c.4"    "c1c.5"    "c1c.6"    "c1c.7"    "c1c.13"   "c1c.12"  
##  [49] "c1c.36"   "c1c.10"   "c1c.14"   "c1c.17"   "c1c.11"   "c1c.15"  
##  [55] "c1c.19"   "c1c.41"   "c1c.42"   "c1c.43"   "c1c.28"   "c1c.35"  
##  [61] "c1c.16"   "c1c.20"   "c1c.21"   "c1c.22"   "c1c.26"   "c1c.30"  
##  [67] "c1c.31"   "c1c.32"   "c1c.33"   "c1c.34"   "c1c.37"   "c1c.38"  
##  [73] "c1c.40"   "c1c.44"   "c1c.88"   "c1c.a"    "c3a"      "c3b.1"   
##  [79] "c3b.2"    "c3c.24"   "c3c.28"   "c3c.21"   "c3c.26"   "c3c.6"   
##  [85] "c3c.1"    "c3c.2"    "c3c.4"    "c3c.5"    "c3c.18"   "c3c.8"   
##  [91] "c3c.17"   "c3c.19"   "c3c.9"    "c3c.23"   "c3c.16"   "c3c.13"  
##  [97] "c3c.22"   "c3c.11"   "c3c.15"   "c3c.14"   "c3c.20"   "c3c.12"  
## [103] "c3c.10"   "c3c.25"   "c3c.27"   "c3c.7"    "c3c.29"   "c3c.30"  
## [109] "c3c.32"   "c3c.33"   "c3c.34"   "c3c.35"   "c3c.36"   "c3c.37"  
## [115] "c3c.38"   "c3c.39"   "c3c.40"   "c3c.41"   "c3c.42"   "c3c.43"  
## [121] "c3c.44"   "c3c.45"   "c3c.46"   "c3c.47"   "c3c.48"   "c3c.49"  
## [127] "c3c.50"   "c3c.51"   "c3c.52"   "c3c.53"   "c3c.54"   "c3c.55"  
## [133] "c3c.56"   "c3c.57"   "c3c.58"   "c3c.59"   "c3c.60"   "c3c.61"  
## [139] "c3c.88"   "c3c.a"    "d1a"      "d1b.1"    "d1b.2"    "d2a"     
## [145] "d2b.1"    "d2b.2"    "e1"       "e2.1"     "e2.2"     "f1"      
## [151] "f2.1"     "f2.2"     "f3"       "f4.1"     "f4.2"     "f5"      
## [157] "f6.1"     "f6.2"     "f7"       "f7.a"     "g1"       "g2.1"    
## [163] "g2.2"     "g3.1"     "g3.2"     "g3.3"     "g3.4"     "g3.5"    
## [169] "g3.6"     "g3.7"     "g3.8"     "g3.9"     "g3.10"    "g3.11"   
## [175] "g3.12"    "g3.13"    "g3.14"    "g3.15"    "g3.16"    "g3.17"   
## [181] "g3.18"    "g3.19"    "g3.20"    "g3.21"    "g3.22"    "g3.23"   
## [187] "g3.24"    "g3.25"    "g3.26"    "g3.27"    "g3.28"    "g3.29"   
## [193] "g3.30"    "g3.31"    "g3.32"    "g3.33"    "g3.34"    "g3.35"   
## [199] "g3.36"    "g3.88"    "g3.a"     "g4.1"     "g4.1.a"   "g4.2"    
## [205] "g4.2.a"   "g5.0.1"   "g5.0.2"   "g5.0.3"   "g5.0.4"   "g5.0.5"  
## [211] "g5.0.6"   "g5.0.7"   "g5.0.8"   "g5.0.9"   "g5.0.10"  "g5.0.11" 
## [217] "g5.0.12"  "g5.0.13"  "g5.0.14"  "g5.0.15"  "g5.0.88"  "g5.0.a"  
## [223] "g5.5"     "g5.6"     "g5.7"     "g5.8"     "g5.9"     "g5.10"   
## [229] "g5.11"    "g5.12"    "g5.14"    "h1"       "h2"       "h3"      
## [235] "h4.1.a.1" "h4.1.a.2" "h4.1.b.1" "h4.1.b.2" "h4.2.a.1" "h4.2.a.2"
## [241] "h4.2.b.1" "h4.2.b.2" "h4.3.a.1" "h4.3.a.2" "h4.3.b.1" "h4.3.b.2"
## [247] "h5.1"     "h5.2"     "h5.3"     "h5.4"     "h5.5"     "h5.6"    
## [253] "h5.7"     "h5.8"     "ha1"      "ha2"      "ha3a.1"   "ha3a.2"  
## [259] "ha3a.3"   "ha3a.4"   "ha3a.5"   "ha3a.6"   "ha3a.7"   "ha3a.99" 
## [265] "ha3b.1"   "ha3b.2"   "ha3b.3"   "ha3b.4"   "ha3b.5"   "ha3b.6"  
## [271] "ha3b.7"   "ha3b.99"  "ha4"      "ha5a.1"   "ha5a.2"   "ha5a.3"  
## [277] "ha5a.4"   "ha5a.5"   "ha5a.6"   "ha5a.99"  "ha5b.1"   "ha5b.2"  
## [283] "ha5b.3"   "ha5b.4"   "ha5b.5"   "ha5b.6"   "ha5b.99"  "ha5c.1"  
## [289] "ha5c.2"   "ha5c.3"   "ha5c.4"   "ha5c.5"   "ha5c.6"   "ha5c.99" 
## [295] "ha6.1"    "ha6.2"    "ha6.3"    "ha6.4"    "ha6.5"    "ha6.6"   
## [301] "ha6.7"    "ha6.99"   "ha7.1"    "ha7.2"    "ha7.3"    "ha7.4"   
## [307] "ha7.5"    "ha7.6"    "ha7.7"    "ha7.99"   "i1"       "i1.a"    
## [313] "i2"       "i2.a"     "i3"       "i3.a"     "i4.1"     "i4.2"    
## [319] "i4.3"     "i4.4"     "i4.5"     "i5a.1"    "i5a.2"    "i5a.3"   
## [325] "i5a.4"    "i5a.5"    "i5a.6"    "i5a.7"    "i5a.8"    "i5a.9"   
## [331] "i5a.10"   "i5a.88"   "i5a.a"    "i5a.90"   "i5b.1"    "i5b.2"   
## [337] "i5b.3"    "i5b.4"    "i5b.5"    "i5b.6"    "i5b.88"   "i5b.a"   
## [343] "i5b.90"   "i6.1"     "i6.2"     "i6.3"     "i6.4"     "i6.5"    
## [349] "i6.90"    "i7a"      "i7b"      "i7c"      "i8.1"     "i8.2"    
## [355] "i8.3"     "i8.4"     "i8.5"     "i8.6"     "i8.7"     "i8.8"    
## [361] "i8.88"    "i8.a"     "i9.1.1"   "i9.1.2"   "i9.1.3"   "i9.1.4"  
## [367] "i9.1.5"   "i9.1.6"   "i9.1.7"   "i9.1.8"   "i9.1.9"   "i9.1.10" 
## [373] "i9.1.88"  "i9.1.a"   "i9.2.1"   "i9.2.2"   "i9.2.3"   "i9.2.4"  
## [379] "i9.2.5"   "i9.2.6"   "i9.2.7"   "i9.2.8"   "i9.2.88"  "i9.2.a"  
## [385] "i10.1"    "i10.2"    "i10.3"    "i10.4"    "i10.5"    "i10.6"   
## [391] "i10.7"    "i10.8"    "i10.88"   "i10.a"    "i11.1"    "i11.2"   
## [397] "i11.3"    "i11.4"    "i11.5"    "i11.6"    "i11.7"    "i11.8"   
## [403] "i11.88"   "i11.a"    "i12.1"    "i12.2.1"  "i12.2.2"  "i12.2.3" 
## [409] "i12.2.4"  "i12.2.5"  "i12.2.6"  "i12.2.7"  "i12.2.8"  "i12.2.88"
## [415] "i12.2.a"  "n1.1"     "n1.2"     "n1.3"     "n1.4"     "n1.5"    
## [421] "n1.6"     "n1.7"     "n1.8"     "n1.9"     "n1.10"    "n2.1"    
## [427] "n2.2"     "n2.3"     "n2.4"     "n2.5"     "n2.6"     "n2.7"    
## [433] "n2.8"     "n2.9"     "n2.10"    "n2.11"    "n2.12"    "n2.13"   
## [439] "n2.14"    "j1a"      "j1b.1"    "j1b.2"    "j1c.1"    "j1c.2"   
## [445] "j1c.3"    "j1c.4"    "j1c.5"    "j1c.6"    "j1c.8"    "j1c.9"   
## [451] "j1c.10"   "j1c.11"   "j1c.12"   "j1c.13"   "j1c.88"   "j1c.a"   
## [457] "j2.1"     "j2.2"     "j2.3"     "j2.4"     "j2.5"     "j2.6"    
## [463] "j2.7"     "j2.8"     "j2.9"     "k1"       "k2.1"     "k2.2"    
## [469] "k3.1"     "k3.3"     "k3.4"     "k3.6"     "k3.7"     "k3.8"    
## [475] "k3.88"    "k3.a"     "k4.1"     "k4.2"     "k4.3"     "k4.4"    
## [481] "k4.5"     "k4.6"     "k4.7"     "k4.8"     "k4.9"     "k4.10"   
## [487] "k4.11"    "k4.12"    "k4.13"    "k4.14"    "k4.15"    "k4.88"   
## [493] "k4.a"     "k5.1"     "k5.2"     "k5.3"     "k5.4"     "k5.5"    
## [499] "k5.6"     "k6.1"     "k6.2"     "k6.3"     "k6.4"     "k7"      
## [505] "k9.1"     "k9.2"     "k9.3"     "k9.4"     "k9.5"     "k10"     
## [511] "k11.1"    "k11.2"    "k11.3"    "k11.4"    "k11.5"    "k12"     
## [517] "k13"      "k14"      "k15.1"    "k15.2"    "k15.3"    "k15.4"   
## [523] "k15.5"    "k15.6"    "k15.7"    "k15.88"   "k15.a"    "k16.1"   
## [529] "k16.2"    "l1a"      "l1b"      "l3a"      "l3b"      "l5.1"    
## [535] "l5.2"     "l6"       "l7"       "l8"       "l9a"      "l9b.1"   
## [541] "l9b.2"    "l9b.3"    "l9b.4"    "l10a"     "l10b.1"   "l10b.2"  
## [547] "l10b.3"   "l10b.4"   "l11a"     "l11b.1"   "l11b.2"   "l11b.3"  
## [553] "l11b.4"   "l12"      "l13"      "l14"      "l14.a"    "l15"     
## [559] "m1.1"     "m1.2"     "m1.3"     "m1.4"     "m1.5"     "m1.6"    
## [565] "m1.7"     "m1.8"     "m1.9"     "m2a.1"    "m2a.2"    "m2a.3"   
## [571] "m2a.4"    "m2a.5"    "m2a.6"    "m2a.7"    "m2a.8"    "m2a.9"   
## [577] "n3a.1"    "n3a.2"    "n3a.3"    "n3a.4"    "n3a.5"    "n3b"     
## [583] "n4"       "n5"       "n6"       "n7"       "n8a"      "n8b"     
## [589] "n9.1"     "n9.2"     "n9.3"     "n9.4"     "n10a"     "n10b"    
## [595] "n11a"     "n11b"     "o1"       "o1.a"     "o2"       "o2.a"    
## [601] "o3a"      "o3a.a"    "o3b"      "o3b.a"    "o4"       "ra2"     
## [607] "rra2"     "rcity"    "ra9"      "rb3a"     "rb3b"     "rb3c"    
## [613] "rb3e"     "rb4.1.a"  "rrb4.1.a" "rb4.1.b"  "rrb4.1.b" "rb4.2.a" 
## [619] "rrb4.2.a" "rb4.2.b"  "rrb4.2.b" "rb4.3.a"  "rrb4.3.a" "rb4.3.b" 
## [625] "rrb4.3.b" "rc1b"     "rrc1b"    "rc3b"     "rrc3b"    "rd1b"    
## [631] "rrd1b"    "rd2b"     "rrd2b"    "re2"      "rre2"     "rf2"     
## [637] "rrf2"     "rf4"      "rrf4"     "rf6"      "rrf6"     "rg2"     
## [643] "rrg2"     "rh4.1.a"  "rrh4.1.a" "rh4.1.b"  "rrh4.1.b" "rh4.2.a" 
## [649] "rrh4.2.a" "rh4.2.b"  "rrh4.2.b" "rh4.3.a"  "rrh4.3.a" "rh4.3.b" 
## [655] "rrh4.3.b" "rh5.8"    "ri4.1"    "ri4.2"    "ri4.3"    "ri4.4"   
## [661] "ri4.5"    "rj1b"     "rrj1b"    "rk2"      "rrk2"     "rl6"     
## [667] "rl7"      "ro3b.a"   "weight"
df1 <- tcs2019[,c(3,642)]

# 製表且創造繪圖的資料框
library(dplyr)
## 
## Attaching package: 'dplyr'
## The following object is masked from 'package:sjlabelled':
## 
##     as_label
## The following objects are masked from 'package:stats':
## 
##     filter, lag
## The following objects are masked from 'package:base':
## 
##     intersect, setdiff, setequal, union
df2 <- df1 %>% 
  group_by(a1) %>%
  summarise(time = mean(rg2, na.rm=T))
# View(df2)

# 2. 安裝並載入 ggplot2
# install.packages("ggplot2")
# 載入 ggplot2
library(ggplot2)
# 解決Rstudio cloud圖形中文顯示問題
# install.packages("showtext")
library(showtext)
showtext_auto()
## 製圖
# 1. 變數處理
# (1) 將要繪製的變數變成類別變數或先進行排序
class(df2$time)
## [1] "numeric"
class(df2$a1)
## [1] "numeric"
df2$a1 <- as.factor(df2$a1)

ggplot(df2, 
       aes(x=a1, y=time, fill=a1))+
  geom_bar(stat = "identity")+
  labs(title = "男女生看各戲劇平均時間",x="性別",y="看劇時間(分鐘)",
       subtitle="男、女性在看劇的時間是否有差異?",
       caption="資料來源:台灣傳播資料庫")+
  scale_x_discrete(labels = c("1"="男性","2"="女性"))+
  theme(axis.title.y = element_text(vjust = 0.5, hjust = 0.5, angle = 0))+
  scale_fill_discrete("性別",labels=c("1"="男性","2"="女性"))

##繪圖參考同上


# RQ3:男、女性在不同戲劇節目的看劇時間是否有差異?
# 所需分析變數
# 性別:a1
# 戲劇類型(>200):g3.2,g3.3,g3.5,g3.6,g3.8,g3.11,g3.17
# 看劇時間:rg2

# 將所需變數,創資料框
names(tcs2019)
##   [1] "id"       "type"     "a1"       "a2"       "a3"       "a3.a"    
##   [7] "a4"       "a5.1"     "a6"       "a6.a"     "a7"       "a7.a"    
##  [13] "a8"       "a8.a"     "a9"       "a9.a"     "b1"       "b2a"     
##  [19] "b3a"      "b3b"      "b3c"      "b3d"      "b3e"      "b3f"     
##  [25] "b4.1.a.1" "b4.1.a.2" "b4.1.b.1" "b4.1.b.2" "b4.2.a.1" "b4.2.a.2"
##  [31] "b4.2.b.1" "b4.2.b.2" "b4.3.a.1" "b4.3.a.2" "b4.3.b.1" "b4.3.b.2"
##  [37] "c1a"      "c1b.1"    "c1b.2"    "c1c.1"    "c1c.2"    "c1c.3"   
##  [43] "c1c.4"    "c1c.5"    "c1c.6"    "c1c.7"    "c1c.13"   "c1c.12"  
##  [49] "c1c.36"   "c1c.10"   "c1c.14"   "c1c.17"   "c1c.11"   "c1c.15"  
##  [55] "c1c.19"   "c1c.41"   "c1c.42"   "c1c.43"   "c1c.28"   "c1c.35"  
##  [61] "c1c.16"   "c1c.20"   "c1c.21"   "c1c.22"   "c1c.26"   "c1c.30"  
##  [67] "c1c.31"   "c1c.32"   "c1c.33"   "c1c.34"   "c1c.37"   "c1c.38"  
##  [73] "c1c.40"   "c1c.44"   "c1c.88"   "c1c.a"    "c3a"      "c3b.1"   
##  [79] "c3b.2"    "c3c.24"   "c3c.28"   "c3c.21"   "c3c.26"   "c3c.6"   
##  [85] "c3c.1"    "c3c.2"    "c3c.4"    "c3c.5"    "c3c.18"   "c3c.8"   
##  [91] "c3c.17"   "c3c.19"   "c3c.9"    "c3c.23"   "c3c.16"   "c3c.13"  
##  [97] "c3c.22"   "c3c.11"   "c3c.15"   "c3c.14"   "c3c.20"   "c3c.12"  
## [103] "c3c.10"   "c3c.25"   "c3c.27"   "c3c.7"    "c3c.29"   "c3c.30"  
## [109] "c3c.32"   "c3c.33"   "c3c.34"   "c3c.35"   "c3c.36"   "c3c.37"  
## [115] "c3c.38"   "c3c.39"   "c3c.40"   "c3c.41"   "c3c.42"   "c3c.43"  
## [121] "c3c.44"   "c3c.45"   "c3c.46"   "c3c.47"   "c3c.48"   "c3c.49"  
## [127] "c3c.50"   "c3c.51"   "c3c.52"   "c3c.53"   "c3c.54"   "c3c.55"  
## [133] "c3c.56"   "c3c.57"   "c3c.58"   "c3c.59"   "c3c.60"   "c3c.61"  
## [139] "c3c.88"   "c3c.a"    "d1a"      "d1b.1"    "d1b.2"    "d2a"     
## [145] "d2b.1"    "d2b.2"    "e1"       "e2.1"     "e2.2"     "f1"      
## [151] "f2.1"     "f2.2"     "f3"       "f4.1"     "f4.2"     "f5"      
## [157] "f6.1"     "f6.2"     "f7"       "f7.a"     "g1"       "g2.1"    
## [163] "g2.2"     "g3.1"     "g3.2"     "g3.3"     "g3.4"     "g3.5"    
## [169] "g3.6"     "g3.7"     "g3.8"     "g3.9"     "g3.10"    "g3.11"   
## [175] "g3.12"    "g3.13"    "g3.14"    "g3.15"    "g3.16"    "g3.17"   
## [181] "g3.18"    "g3.19"    "g3.20"    "g3.21"    "g3.22"    "g3.23"   
## [187] "g3.24"    "g3.25"    "g3.26"    "g3.27"    "g3.28"    "g3.29"   
## [193] "g3.30"    "g3.31"    "g3.32"    "g3.33"    "g3.34"    "g3.35"   
## [199] "g3.36"    "g3.88"    "g3.a"     "g4.1"     "g4.1.a"   "g4.2"    
## [205] "g4.2.a"   "g5.0.1"   "g5.0.2"   "g5.0.3"   "g5.0.4"   "g5.0.5"  
## [211] "g5.0.6"   "g5.0.7"   "g5.0.8"   "g5.0.9"   "g5.0.10"  "g5.0.11" 
## [217] "g5.0.12"  "g5.0.13"  "g5.0.14"  "g5.0.15"  "g5.0.88"  "g5.0.a"  
## [223] "g5.5"     "g5.6"     "g5.7"     "g5.8"     "g5.9"     "g5.10"   
## [229] "g5.11"    "g5.12"    "g5.14"    "h1"       "h2"       "h3"      
## [235] "h4.1.a.1" "h4.1.a.2" "h4.1.b.1" "h4.1.b.2" "h4.2.a.1" "h4.2.a.2"
## [241] "h4.2.b.1" "h4.2.b.2" "h4.3.a.1" "h4.3.a.2" "h4.3.b.1" "h4.3.b.2"
## [247] "h5.1"     "h5.2"     "h5.3"     "h5.4"     "h5.5"     "h5.6"    
## [253] "h5.7"     "h5.8"     "ha1"      "ha2"      "ha3a.1"   "ha3a.2"  
## [259] "ha3a.3"   "ha3a.4"   "ha3a.5"   "ha3a.6"   "ha3a.7"   "ha3a.99" 
## [265] "ha3b.1"   "ha3b.2"   "ha3b.3"   "ha3b.4"   "ha3b.5"   "ha3b.6"  
## [271] "ha3b.7"   "ha3b.99"  "ha4"      "ha5a.1"   "ha5a.2"   "ha5a.3"  
## [277] "ha5a.4"   "ha5a.5"   "ha5a.6"   "ha5a.99"  "ha5b.1"   "ha5b.2"  
## [283] "ha5b.3"   "ha5b.4"   "ha5b.5"   "ha5b.6"   "ha5b.99"  "ha5c.1"  
## [289] "ha5c.2"   "ha5c.3"   "ha5c.4"   "ha5c.5"   "ha5c.6"   "ha5c.99" 
## [295] "ha6.1"    "ha6.2"    "ha6.3"    "ha6.4"    "ha6.5"    "ha6.6"   
## [301] "ha6.7"    "ha6.99"   "ha7.1"    "ha7.2"    "ha7.3"    "ha7.4"   
## [307] "ha7.5"    "ha7.6"    "ha7.7"    "ha7.99"   "i1"       "i1.a"    
## [313] "i2"       "i2.a"     "i3"       "i3.a"     "i4.1"     "i4.2"    
## [319] "i4.3"     "i4.4"     "i4.5"     "i5a.1"    "i5a.2"    "i5a.3"   
## [325] "i5a.4"    "i5a.5"    "i5a.6"    "i5a.7"    "i5a.8"    "i5a.9"   
## [331] "i5a.10"   "i5a.88"   "i5a.a"    "i5a.90"   "i5b.1"    "i5b.2"   
## [337] "i5b.3"    "i5b.4"    "i5b.5"    "i5b.6"    "i5b.88"   "i5b.a"   
## [343] "i5b.90"   "i6.1"     "i6.2"     "i6.3"     "i6.4"     "i6.5"    
## [349] "i6.90"    "i7a"      "i7b"      "i7c"      "i8.1"     "i8.2"    
## [355] "i8.3"     "i8.4"     "i8.5"     "i8.6"     "i8.7"     "i8.8"    
## [361] "i8.88"    "i8.a"     "i9.1.1"   "i9.1.2"   "i9.1.3"   "i9.1.4"  
## [367] "i9.1.5"   "i9.1.6"   "i9.1.7"   "i9.1.8"   "i9.1.9"   "i9.1.10" 
## [373] "i9.1.88"  "i9.1.a"   "i9.2.1"   "i9.2.2"   "i9.2.3"   "i9.2.4"  
## [379] "i9.2.5"   "i9.2.6"   "i9.2.7"   "i9.2.8"   "i9.2.88"  "i9.2.a"  
## [385] "i10.1"    "i10.2"    "i10.3"    "i10.4"    "i10.5"    "i10.6"   
## [391] "i10.7"    "i10.8"    "i10.88"   "i10.a"    "i11.1"    "i11.2"   
## [397] "i11.3"    "i11.4"    "i11.5"    "i11.6"    "i11.7"    "i11.8"   
## [403] "i11.88"   "i11.a"    "i12.1"    "i12.2.1"  "i12.2.2"  "i12.2.3" 
## [409] "i12.2.4"  "i12.2.5"  "i12.2.6"  "i12.2.7"  "i12.2.8"  "i12.2.88"
## [415] "i12.2.a"  "n1.1"     "n1.2"     "n1.3"     "n1.4"     "n1.5"    
## [421] "n1.6"     "n1.7"     "n1.8"     "n1.9"     "n1.10"    "n2.1"    
## [427] "n2.2"     "n2.3"     "n2.4"     "n2.5"     "n2.6"     "n2.7"    
## [433] "n2.8"     "n2.9"     "n2.10"    "n2.11"    "n2.12"    "n2.13"   
## [439] "n2.14"    "j1a"      "j1b.1"    "j1b.2"    "j1c.1"    "j1c.2"   
## [445] "j1c.3"    "j1c.4"    "j1c.5"    "j1c.6"    "j1c.8"    "j1c.9"   
## [451] "j1c.10"   "j1c.11"   "j1c.12"   "j1c.13"   "j1c.88"   "j1c.a"   
## [457] "j2.1"     "j2.2"     "j2.3"     "j2.4"     "j2.5"     "j2.6"    
## [463] "j2.7"     "j2.8"     "j2.9"     "k1"       "k2.1"     "k2.2"    
## [469] "k3.1"     "k3.3"     "k3.4"     "k3.6"     "k3.7"     "k3.8"    
## [475] "k3.88"    "k3.a"     "k4.1"     "k4.2"     "k4.3"     "k4.4"    
## [481] "k4.5"     "k4.6"     "k4.7"     "k4.8"     "k4.9"     "k4.10"   
## [487] "k4.11"    "k4.12"    "k4.13"    "k4.14"    "k4.15"    "k4.88"   
## [493] "k4.a"     "k5.1"     "k5.2"     "k5.3"     "k5.4"     "k5.5"    
## [499] "k5.6"     "k6.1"     "k6.2"     "k6.3"     "k6.4"     "k7"      
## [505] "k9.1"     "k9.2"     "k9.3"     "k9.4"     "k9.5"     "k10"     
## [511] "k11.1"    "k11.2"    "k11.3"    "k11.4"    "k11.5"    "k12"     
## [517] "k13"      "k14"      "k15.1"    "k15.2"    "k15.3"    "k15.4"   
## [523] "k15.5"    "k15.6"    "k15.7"    "k15.88"   "k15.a"    "k16.1"   
## [529] "k16.2"    "l1a"      "l1b"      "l3a"      "l3b"      "l5.1"    
## [535] "l5.2"     "l6"       "l7"       "l8"       "l9a"      "l9b.1"   
## [541] "l9b.2"    "l9b.3"    "l9b.4"    "l10a"     "l10b.1"   "l10b.2"  
## [547] "l10b.3"   "l10b.4"   "l11a"     "l11b.1"   "l11b.2"   "l11b.3"  
## [553] "l11b.4"   "l12"      "l13"      "l14"      "l14.a"    "l15"     
## [559] "m1.1"     "m1.2"     "m1.3"     "m1.4"     "m1.5"     "m1.6"    
## [565] "m1.7"     "m1.8"     "m1.9"     "m2a.1"    "m2a.2"    "m2a.3"   
## [571] "m2a.4"    "m2a.5"    "m2a.6"    "m2a.7"    "m2a.8"    "m2a.9"   
## [577] "n3a.1"    "n3a.2"    "n3a.3"    "n3a.4"    "n3a.5"    "n3b"     
## [583] "n4"       "n5"       "n6"       "n7"       "n8a"      "n8b"     
## [589] "n9.1"     "n9.2"     "n9.3"     "n9.4"     "n10a"     "n10b"    
## [595] "n11a"     "n11b"     "o1"       "o1.a"     "o2"       "o2.a"    
## [601] "o3a"      "o3a.a"    "o3b"      "o3b.a"    "o4"       "ra2"     
## [607] "rra2"     "rcity"    "ra9"      "rb3a"     "rb3b"     "rb3c"    
## [613] "rb3e"     "rb4.1.a"  "rrb4.1.a" "rb4.1.b"  "rrb4.1.b" "rb4.2.a" 
## [619] "rrb4.2.a" "rb4.2.b"  "rrb4.2.b" "rb4.3.a"  "rrb4.3.a" "rb4.3.b" 
## [625] "rrb4.3.b" "rc1b"     "rrc1b"    "rc3b"     "rrc3b"    "rd1b"    
## [631] "rrd1b"    "rd2b"     "rrd2b"    "re2"      "rre2"     "rf2"     
## [637] "rrf2"     "rf4"      "rrf4"     "rf6"      "rrf6"     "rg2"     
## [643] "rrg2"     "rh4.1.a"  "rrh4.1.a" "rh4.1.b"  "rrh4.1.b" "rh4.2.a" 
## [649] "rrh4.2.a" "rh4.2.b"  "rrh4.2.b" "rh4.3.a"  "rrh4.3.a" "rh4.3.b" 
## [655] "rrh4.3.b" "rh5.8"    "ri4.1"    "ri4.2"    "ri4.3"    "ri4.4"   
## [661] "ri4.5"    "rj1b"     "rrj1b"    "rk2"      "rrk2"     "rl6"     
## [667] "rl7"      "ro3b.a"   "weight"
df1 <- tcs2019[,c(3,642,165,166,168,169,171,174,180)]

# 複選題處理,需填補遺漏值為0
df1[is.na(df1)] <- 0
# 透過tidyr套件中的gather將寬格式轉為長格式(詳見ch12)
#install.packages("tidyr")
library(tidyr)
df2 <- gather(df1, key = "type", value = "count", g3.2,g3.3,g3.5,g3.6,g3.8,g3.11,g3.17)
## Warning: attributes are not identical across measure variables;
## they will be dropped
# 篩選出count==1的資料框
df3 <- subset(df2, count==1)
# 製表且創造繪圖的資料框
library(dplyr)
df4 <- df3 %>% 
  group_by(type,a1) %>%
  summarise(time = mean(rg2, na.rm=T))
## `summarise()` has grouped output by 'type'. You can override using the `.groups` argument.
# View(df4)

# 2. 安裝並載入 ggplot2
# install.packages("ggplot2")
# 載入 ggplot2
library(ggplot2)
# 解決Rstudio cloud圖形中文顯示問題
# install.packages("showtext")
library(showtext)
showtext_auto()
## 製圖
# 1. 變數處理
# (1) 將要繪製的變數變成類別變數或先進行排序
class(df4$time)
## [1] "numeric"
class(df4$a1)
## [1] "numeric"
class(df4$type)
## [1] "character"
df4$a1 <- as.factor(df4$a1)
df4$type <- as.factor(df4$type)

library(ggrepel)
library(RColorBrewer)
ggplot(df4, aes(x=type, y=time,fill=a1,group=a1,color=a1))+ 
  geom_line()+
  geom_point()+
  ylim(0,150)+
  labs(title = "男女不同節目看劇時間比較",x="戲劇節目種類",y="看劇時間(分鐘)",
       subtitle="男、女性在不同戲劇節目的看劇時間是否有差異?",
       caption="資料來源:台灣傳播資料庫")+
  scale_x_discrete(labels = c("g3.11"="家庭劇","g3.17"="社會寫實",
                              "g3.2"="愛情文藝","g3.3"="宮廷劇",
                              "g3.5"="鄉土劇","g3.6"="歷史劇","g3.8"="喜劇"))+
  theme(axis.title.y = element_text(vjust = 0.5, hjust = 0.5, angle = 0))+
  scale_fill_manual(name="性別",values=c("1"="yellow", "2"="rosybrown2"),
                    labels=c("男性", "女性"))

### 繪圖參考RQ7:多年期的不同上網裝置使用天數的變化