Make histogram from data table in R [duplicate]

Answer 1

We can use barplot

barplot(setNames(df1$Count, df1$Value))

data

df1 <- structure(list(Count = c(2, 5, 6, 10), Value = c("Apple", "Ball",  
"Cat", "Dog")), .Names = c("Count", "Value"), class = "data.frame",
 row.names = c(NA, -4L))