CODEWITHSUNDEEP
rggplot2
moiaussi06
moiaussi06

Reputation: 221

What's the Nuance of Setting aes() in ggplot and in geom_line()

I tried both methods and they pretty much generate indifferent graphs to me. Could anyone help me understand the difference between two methods below?

p1<-ggplot()+geom_line(aes(y=export,x=year,colour=product),data=charts.data,stat="identity")
p1

p2<-ggplot(data=charts.data,aes(x=year,y=export,colour=product))+geom_line()
p2

Upvotes: 0

Views: 37

Answers (1)

MrFlick
MrFlick

Reputation: 206167

There is no difference. Both produce the same plot. The difference might be obvious if you added multiple geoms that used different aesthetic mappings. If aes() mappings are not specified at the layer, they inherit those set at the ggplot() call.

Upvotes: 2

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