# scale_y_continuous( # breaks = c(0,10,20,30), # 设置y轴刻度 # labels = c("a","b","c","d") # 设置y轴对应刻度处显示的名称 # xlim(1,10)+ # 设置x轴显示范围 # ylim(1,10)+ # 设置y轴显示范围 theme_bw () + # 主题方案 theme ( plot.title = element_text ( # 标题 size = 10 , # 字体大小 face = "bold" , # 字体样式 bold 表示粗体 colour = "red" , # 字体颜色 # family = "RMN", # 字体型号 需要提前定义windowsFonts，见程序末尾 hjust = 0.5 ), # 位置 0.5表示居中 plot.subtitle = element_text ( size = 10 , # 副标题 face = "bold" , hjust = 0.5 ), axis.title.y = element_text ( size = 10 , # y轴标题 face = "bold" , hjust = 0.5 ), axis.title.x = element_text ( size = 10 , # x轴标题 face = "bold" , hjust = 0.5 ), axis.text.x = element_text ( size = 10 , # x轴刻度文字 angle = 0 , hjust = 0.5 ), axis.text.y = element_text ( size = 10 , # y轴刻度文字 angle = 0 , vjust = 0.5 ), # axis.ticks = element_blank(), # 刻度参数 legend.position = "right" , # 图例位置 legend.text = element_text ( size = 10 ), # 图例文字 legend.title = element_text ( size = 10 ), # 图例标题 legend.key.size = unit ( 10 , "pt" ) # 图例图案 windowsFonts ( # 定义字体 RMN= windowsFont ( "Times New Roman" ), ARL= windowsFont ( "Arial" ))