R ggplot - Error stat_bin requires continuous x variable

Question

My table is data.combined with following structure:

\'data.frame\':   1309 obs. of  12 variables:
 $ Survived: Factor w/ 3 levels \"0\",\"1\",\"None\": 1 2 2         


        

Answer 1

I had the same issue but none of the above solutions worked. Then I noticed that the column of the data frame I wanted to use for the histogram wasn't numeric:

df$variable<- as.numeric(as.character(df$variable))

Taken from here

Answer 2

Sum up the answer from the comments above:

1 - Replace geom_histogram(binwidth=0.5) with geom_bar(). However this way will not allow binwidth customization.

2 - Using stat_count(width = 0.5) instead of geom_bar() or geom_histogram(binwidth = 0.5) would solve it.

Answer 3

As stated above use geom_bar() instead of geom_histogram, refer sample code given below(I wanted separate graph for each month for birth date data):

ggplot(data = pf,aes(x=dob_day))+
geom_bar()+
scale_x_discrete(breaks = 1:31)+
facet_wrap(~dob_month,ncol = 3)

Answer 4

extractTitle <- function(Name) {     
Name <- as.character(Name) 

  if (length(grep("Miss.", Name)) > 0) { 
    return ("Miss.")
  } else if (length(grep("Master.", Name)) > 0) { 
    return ("Master.") 
  } else if (length(grep("Mrs.", Name)) > 0) { 
    return ("Mrs.") 
  } else if (length(grep("Mr.", Name)) > 0) { 
    return ("Mr.") 
 } else { 
    return ("Other") 
  } 
}

titles <- NULL 

for (i in 1:nrow(data.combined)){
  titles <- c(titles, extractTitle(data.combined[i, "Name"]))
}

data.combined$title <- as.factor(titles)

ggplot(data.combined[1:892,], aes(x = title, fill = Survived))+
       geom_bar(width = 0.5) +
        facet_wrap("Pclass")+
         xlab("Pclass")+
         ylab("total count")+
         labs(fill = "Survived")