[R] Multiple XY Lines Plot

From: Rodrigo Aluizio <r.aluizio_at_gmail.com>
Date: Tue, 11 Nov 2008 15:22:06 -0200


Hi list, I’m trying to plot lines in the same graphic. There are lots of similar topic on the list history. I’ve read about xyplot (lattice) and other ways to do that but I only got complex error messages, and wasn’t able even to start a decent R scrip. Well I have some paired information (each H W ), were H is the y axis and W is the x axis, how could I plot all the four lines at the same image? This lines must follow the points, they are simplified beaches profiles. And the x and y axis limits must be something like xlim=c(0,40.5) e ylim=c(0,-2.26).  

I thought I could do that using plot (x,y,type=’n’) followed be lines(), but I can’t do that because when I try to plot the lines I get a message saying the axis size or limits are wrong or different. I used in plot() x = 3-W and y = 2-H, once they are greater values….

There’s also another problem, the only line I was able to plot (with lines()) is a straight and I need lines passing by the x-y points.    

1-H

1-W

2-H

2-W

3-H

3-W

4-H

4-W

0

0

0

0

0

0

0

0

-0,197

5,15

-0,345

3,83

-0,152

3,61

-0,085

3,2

-0,394

8,27

-0,48

8

-0,304

5,31

-0,23

4,1

-0,591

11,77

-0,685

12,41

-0,456

6,35

-0,285

4,65

-0,788

16,12

-0,905

16,82

-0,608

7,85

-0,38

6,35

-0,985

19,59

-1,205

21,23

-0,76

9,74

-0,68

8,45

-1,182

21,89

-1,38

25,64

-0,912

14,34

-0,755

10,5

-1,379

24,42

-1,675

30,05

-1,064

16,57

-0,81

12,8

-1,576

26,86

-2,255

34,5

-1,216

17,67

-0,87

14,75

-1,773

29,46

                -1,375

19,77

-1,01

17,25

-1,905

32,16

                -1,63

26,49

-1,405

26,35                                 

-2,13

40,49                     

Thanks for the attention and patience.



MSc. <mailto:r.aluizio_at_gmail.com> Rodrigo Aluizio Centro de Estudos do Mar/UFPR
Laboratório de Micropaleontologia
Avenida Beira Mar s/n - CEP 83255-000
Pontal do Paraná - PR - BRASIL

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