In R I want to fine tune my qplot

StackOverflow https://stackoverflow.com/questions/22158915

  •  19-10-2022
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Question

I have this code:

my dataset: 

 founder wt.Df Replicate Block Food_Source Viability   avg_val
1       A3  5905         1     1    Nicotine 0.4444444 0.4444444
2       A3 24834         1     1    Nicotine 0.6190476 0.6190476
3       A3 27861         1     1    Nicotine 0.4210526 0.5200501
4       A3 27861         2     1    Nicotine 0.6190476 0.5200501
5       A4  5905         1     1    Nicotine 0.7142857 0.7689076
6       A4  5905         2     1    Nicotine 0.8235294 0.7689076
7       A4 24834         1     1    Nicotine 0.4285714 0.5476190
8       A4 24834         1     1    Nicotine 0.6666667 0.5476190
9       A4 27861         1     1    Nicotine 0.6666667 0.6904762
10      A4 27861         1     1    Nicotine 0.7142857 0.6904762

qplot(x=founder, y=avg_val, group=wt.Df, data=Store, geom="line", colour = Store$wt.Df,      main= "QCT on Nicotine", xlab = "Founder", ylab = "Average Viability") + geom_point()

enter image description here

What I want to do is define what each line is meaning using Store$wt.Df, I want to see what color line corresponds to it and label this to the right under legend wt.Df

Was it helpful?

Solution

I'm not quite sure what you want. Could it be as easy as changing colour=Store$wt.Df to colour=factor(Store$wt.Df)?

Store = read.table(text="founder wt.Df Replicate Block Food_Source Viability   avg_val
1       A3  5905         1     1    Nicotine 0.4444444 0.4444444
2       A3 24834         1     1    Nicotine 0.6190476 0.6190476
3       A3 27861         1     1    Nicotine 0.4210526 0.5200501
4       A3 27861         2     1    Nicotine 0.6190476 0.5200501
5       A4  5905         1     1    Nicotine 0.7142857 0.7689076
6       A4  5905         2     1    Nicotine 0.8235294 0.7689076
7       A4 24834         1     1    Nicotine 0.4285714 0.5476190
8       A4 24834         1     1    Nicotine 0.6666667 0.5476190
9       A4 27861         1     1    Nicotine 0.6666667 0.6904762
10      A4 27861         1     1    Nicotine 0.7142857 0.6904762",header=TRUE)

qplot(x=founder, y=avg_val, group=wt.Df, data=Store, geom="line", colour = factor(Store$wt.Df),      
      main= "QCT on Nicotine", xlab = "Founder", ylab = "Average Viability") + geom_point()

enter image description here

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