CODEWITHSUNDEEP
rwarningsmessage
sakif zaman
sakif zaman

Reputation: 1

Warning messages: about geom_line and In geom_point(size = 2)

I am trying to create a ggplot using this code.

df <- read.csv("2019.csv", header = TRUE, sep = "," )
head(data)
ggplot(data = df, aes(x = 'GDP.per.capita', y = 'Social.support')) +
  geom_line(color = "red", size = 1) +       
  geom_point(size = 2)

but on the console i'm getting a warning message

1: In geom_line(color = "red", size = 1) :
  All aesthetics have length 1, but the data has 156 rows.
ℹ Please consider using `annotate()` or provide this layer with data containing a single
  row.
2: In geom_point(size = 2) :
  All aesthetics have length 1, but the data has 156 rows.
ℹ Please consider using `annotate()` or provide this layer with data containing a single
  row.

Went to YT but everyone was doing the same thing I'm doing. they are not getting any message but I'm getting this message.

Upvotes: 0

Views: 65

Answers (1)

Ben Bolker
Ben Bolker

Reputation: 226712

You shouldn't put your variables to be plotted in quotation marks.

This works fine:

ggplot(data = mtcars, aes(x = mpg, y = hp)) + geom_point()

This gives a warning like the one you're seeing (and a plot that is junk):

ggplot(data = mtcars, aes(x = 'mpg', y = 'hp')) + geom_point()

Warning message: In geom_point() : All aesthetics have length 1, but the data has 32 rows. ℹ Please consider using annotate() or provide this layer with data containing a single row.

Upvotes: 1

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