R：plot 和结果是"plot.new has not been called yet"

Question

数据(删节版):

m1 1
m2 2
m3 3
m4 0
m5 32
m6 12
m7 42
m8 56
m9 29

注意:0应该表示我的图

中的一个空格代码:

barplot(
  name,
  main="Mike vs. Ike" , 
  ylab="Number of criminal offences of two different people" , 
  xlab="" , 
  col=c("yellow" , "blue" ) , 
  beside=TRUE , 
  ylim= range(0 , 10) ,  
  las=2 , 
  axes=TRUE ,

   names.arg = c("Mike: number of offences in: 1 day"      , 
                    "Ike: number of offences in: 1 day"     ,
                    ""                       , 
                    "Mike: number of offences in: 1 week"      ,
                    "Ike: number of offences in: 1 week"     , 
                        ""                       ,
                        "Mike: number of offences in: 1 month"        ,
                        "Ike: number of offences in: 1 month"       , 
                        ""                       ,
                        "Mike: number of offences in: 1 year"     ,
                        "Mike: number of offences in: 1 year"   

           ) ,
             legend(
  "topright" , 
  c("Mike" , "Ike") , 
  col=c("yellow" , "green") , 
  pch=c(22:22) ,
  cex=0.75 )
)  

错误:

Error in strwidth(legend, units = "user", cex = cex, font = text.font) : 
  plot.new has not been called yet

十亿美元问题:

我如何缩放names.arg和legend来适合我的图

提前退房

不要在这里读pass (stack表示代码太多)。

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Answer 1

我认为你的问题是，你调用legend() 内部你调用boxplot()，而它应该被称为后。至少这是导致误差的原因。然而，我不确定你所说的"缩放"图例或名称到底是什么意思。