[R] R prints empty group on my figure!!

Wed May 8 12:48:01 CEST 2013

hello,
I attach the figure generated by R:


2013/5/8 Adel ESSAFI <adelessafi at gmail.com>

> Hello list
> I am trying to solve a problem when drawing a figure related to the
> dataframe below.
> I draw V6 in Y axes and V3 as X axes. The data are grouped by V1 AND V2.
> I use this commande to make it:
>
> xyplot(cm[,6]~cm[,3],type="b",group=interaction(cm[,1],cm[,2],sep="/"),
> auto.key =list( title="Makespan en fonction de beta", points = FALSE,
> columns=2, lines = TRUE)
> ,data=cm,xlab=expression(beta),ylab="Ratio")
>
> The problem is that, R puts (for example) the entry C/D in the legend,
> however, I have no such entry. Note that R it does not draw a line for that
> entry.
>
> So, the question : how to do to remove the empty groups from the legend.
>
> Cordially
>
>
>
>
> > cm
>    V1 V2  V3        V4     V5       V6
> 1   C  L 0.0  732179.0 686983 1.065789
> 2   C  L 0.2  900956.4 686983 1.311468
> 3   C  L 0.4  964725.0 686983 1.404292
> 4   C  L 0.6 1017984.0 686983 1.481818
> 5   C  L 0.8 1064745.8 686983 1.549887
> 6   C  L 1.0 1107269.0 686983 1.611785
> 7   C  S 0.0  803926.0 686983 1.170227
> 8   C  S 0.2 1020492.0 686983 1.485469
> 9   C  S 0.4 1134818.0 686983 1.651887
> 10  C  S 0.6 1223596.0 686983 1.781115
> 11  C  S 0.8 1322548.8 686983 1.925155
> 12  C  S 1.0 1395714.0 686983 2.031657
> 13  I  L 0.0 2628113.0 686983 3.825587
> 14  I  L 0.2 2628113.0 686983 3.825587
> 15  I  L 0.4 2628113.0 686983 3.825587
> 16  I  L 0.6 2628113.0 686983 3.825587
> 17  I  L 0.8 2628113.0 686983 3.825587
> 18  I  L 1.0 2628113.0 686983 3.825587
> 19  I  S 0.0 2628113.0 686983 3.825587
> 20  I  S 0.2 2628113.0 686983 3.825587
> 21  I  S 0.4 2475448.0 686983 3.603361
> 22  I  S 0.6 2475448.0 686983 3.603361
> 23  I  S 0.8 2475448.0 686983 3.603361
> 24  I  S 1.0 2475448.0 686983 3.603361
> 25  I  F 0.0  871670.0 686983 1.268838
> 26  I  F 0.2 1066742.0 686983 1.552792
> 27  I  F 0.4 1136213.0 686983 1.653917
> 28  I  F 0.6 1210547.0 686983 1.762121
> 29  I  F 0.8 1256777.0 686983 1.829415
> 30  I  F 1.0 1304294.0 686983 1.898583
> 31  I  I 0.0  897718.0 686983 1.306754
> 32  I  I 0.2 1123968.0 686983 1.636093
> 33  I  I 0.4 1301097.0 686983 1.893929
> 34  I  I 0.6 1373663.0 686983 1.999559
> 35  I  I 0.8 1424121.0 686983 2.073008
> 36  I  I 1.0 1542813.0 686983 2.245780
> 37  I  D 0.0  937621.0 686983 1.364839
> 38  I  D 0.2 1205063.0 686983 1.754138
> 39  I  D 0.4 1341839.0 686983 1.953235
> 40  I  D 0.6 1431970.0 686983 2.084433
> 41  I  D 0.8 1538944.0 686983 2.240149
> 42  I  D 1.0 1670073.0 686983 2.431025
> 43  D  L 0.0  731904.0 686983 1.065389
> 44  D  L 0.2  900183.0 686983 1.310342
> 45  D  L 0.4  964870.1 686983 1.404504
> 46  D  L 0.6 1017462.8 686983 1.481060
> 47  D  L 0.8 1064435.2 686983 1.549435
> 48  D  L 1.0 1107595.0 686983 1.612260
> 49  D  S 0.0  798289.0 686983 1.162022
> 50  D  S 0.2 1014643.2 686983 1.476955
> 51  D  S 0.4 1125711.8 686983 1.638631
> 52  D  S 0.6 1220923.0 686983 1.777224
> 53  D  S 0.8 1306571.2 686983 1.901897
> 54  D  S 1.0 1399836.0 686983 2.037657
> 55  D  F 0.0  724924.0 686983 1.055229
> 56  D  F 0.2  935413.5 686983 1.361625
> 57  D  F 0.4 1011621.9 686983 1.472557
> 58  D  F 0.6 1071081.6 686983 1.559109
> 59  D  F 0.8 1139325.8 686983 1.658448
> 60  D  F 1.0 1181282.1 686983 1.719522
> 61  D  I 0.0  755841.0 686983 1.100232
> 62  D  I 0.2  964335.0 686983 1.403725
> 63  D  I 0.4 1051233.4 686983 1.530218
> 64  D  I 0.6 1110842.0 686983 1.616986
> 65  D  I 0.8 1193509.0 686983 1.737320
> 66  D  I 1.0 1264249.0 686983 1.840292
> 67  D  D 0.0  751660.0 686983 1.094146
> 68  D  D 0.2 1019735.0 686983 1.484367
> 69  D  D 0.4 1101191.0 686983 1.602938
> 70  D  D 0.6 1191547.0 686983 1.734464
> 71  D  D 0.8 1293433.0 686983 1.882773
> 72  D  D 1.0 1340360.0 686983 1.951082
>
>


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