```
students=read.csv("C:\\Users\\user\\Documents\\PDFA individual assignment '22\\student.csv", header=TRUE)
students
View(students)
head(students)
data.frame(students)
famsize=nrow(sample_data[sample_data$students=="famsize",])
famsize
famrl=nrow(sample_data[sample_data$students=="famrel",])
famrel
ggplot (students , aes(x = famzise, y = famrel)) + geom_line () + geom_point()
```

i keep getting this error : Error in FUN(X[[i]], ...) : object 'famzise' not found