[R] strips according to groups in xYplot or xyplot

From: Christopher Philipson <chrisp_at_uwinst.unizh.ch>
Date: Fri 12 Aug 2005 - 11:23:39 EST


Dear all,

using the follwing code, i have been trying group the individual plots from trellis graphics according to genus. adding a groups=genus colours the lines on the individual plots accordingly. However, i need the strips to be coloured according to genus with the lines in each plot remaining black. using xyplot and conditioning to genus and species light|species+genus draws an extra strip with the genus name, this almost there, but then i have lots of blanc plots for all the nonexistant genus species conbinations - and also i wish to retain my error bars from xYplot.

I understand that the solution is probably making my own strip function, but this is a little beyond my programming skills. Does anyone have any similar examples? an example dataframe is pasted below

Many thanks
Chris

xYplot(Cbind(rgr.biomass,rgr.biomass-se,rgr.biomass+se) ~ light|species,

data=data2,   between=list(x=c(0.3,0.3,0.3,0.3,0.3),y=c(0.3,0.3,0.3)), 
type=c("l"), col.line="black",ylab= "rgr biomass (g-day-1)",
xlab="% light in nursery", main="Relative Growth rates of Diperocarps in 
three simulated light conditions", par.strip.text=list(cex=0.9, font=3),par.settings=list(axis.text=list(cex=0.7)),layout=c(6,4), grid=T)
genus light   rgr.biomass        species           se
conformis.0.3      Dipterocarpus   0.3  0.0071360017      conformis 
0.0005639106
conformis.3        Dipterocarpus   3.0  0.0114787998      conformis 
0.0005139212
conformis.18       Dipterocarpus  18.0  0.0128981690      conformis 
0.0007443577
beccarii.0.3        Dryobalanops   0.3  0.0043183235       beccarii 
0.0008404544
lanceolata.0.3      Dryobalanops   0.3  0.0037914641     lanceolata 
0.0012840799
beccarii.3          Dryobalanops   3.0  0.0086008217       beccarii 
0.0007029627
lanceolata.3        Dryobalanops   3.0  0.0066640135     lanceolata 
0.0010293987
beccarii.18         Dryobalanops  18.0  0.0113213323       beccarii 
0.0014422309
lanceolata.18       Dryobalanops  18.0  0.0107687387     lanceolata 
0.0014388931
nervosa.0.3                Hopea   0.3 -0.0009249978        nervosa 
0.0018732192
sangal.0.3                 Hopea   0.3  0.0019374847         sangal 
0.0007375358
spp.0.3                    Hopea   0.3  0.0086367776            spp 
0.0004649476
nervosa.3                  Hopea   3.0  0.0028767234        nervosa 
0.0006551664
sangal.3                   Hopea   3.0  0.0056669364         sangal 
0.0005872821
spp.3                      Hopea   3.0  0.0118224681            spp 
0.0005562180
nervosa.18                 Hopea  18.0  0.0016949373        nervosa 
0.0016615030
sangal.18                  Hopea  18.0  0.0041026605         sangal 
0.0018584946
spp.18                     Hopea  18.0  0.0114581095            spp 
0.0012815084
malaanonan.0.3        Parashorea   0.3  0.0055797534     malaanonan 
0.0007918039
tomentella.0.3        Parashorea   0.3  0.0123015741     tomentella 
0.0008293033
malaanonan.3          Parashorea   3.0  0.0099503268     malaanonan 
0.0006376027
tomentella.3          Parashorea   3.0  0.0155581595     tomentella 
0.0006379742
malaanonan.18         Parashorea  18.0  0.0092196940     malaanonan 
0.0017303947
tomentella.18         Parashorea  18.0  0.0163406724     tomentella 
0.0013648430
argentifolia.0.3          Shorea   0.3  0.0083378142   argentifolia 
0.0010850323
beccariana.0.3            Shorea   0.3  0.0070930251     beccariana 
0.0004610866
faguetiana.0.3            Shorea   0.3  0.0045384372     faguetiana 
0.0010002449
gibbosa.0.3               Shorea   0.3  0.0120252725        gibbosa 
0.0015315410
guiso.0.3                 Shorea   0.3  0.0016886809          guiso 
0.0004390734
johorensis.0.3            Shorea   0.3  0.0046130010     johorensis 
0.0013987125
leprosula.0.3             Shorea   0.3  0.0054931197      leprosula 
0.0007935381
macrophylla.0.3           Shorea   0.3  0.0071376385    macrophylla 
0.0006889700
macroptera.0.3            Shorea   0.3  0.0044181634     macroptera 
0.0005528986
oleosa.fallax.0.3         Shorea   0.3  0.0045416334  oleosa.fallax 
0.0004696663
ovalis.0.3                Shorea   0.3  0.0021653329         ovalis 
0.0014667085
parvifolia.0.3            Shorea   0.3  0.0031730144     parvifolia 
0.0002314153
parvistipulata.0.3        Shorea   0.3  0.0108939901 parvistipulata 
0.0007272541
superba.0.3               Shorea   0.3  0.0048611998        superba 
0.0005558181
argentifolia.3            Shorea   3.0  0.0130474184   argentifolia 
0.0005603928
beccariana.3              Shorea   3.0  0.0116513374     beccariana 
0.0006809518
faguetiana.3              Shorea   3.0  0.0056884859     faguetiana 
0.0024317150
gibbosa.3                 Shorea   3.0  0.0163350328        gibbosa 
0.0008753554
guiso.3                   Shorea   3.0  0.0039323112          guiso 
0.0008966266
johorensis.3              Shorea   3.0  0.0057245098     johorensis 
0.0012002584
leprosula.3               Shorea   3.0  0.0110078404      leprosula 
0.0006868679
macrophylla.3             Shorea   3.0  0.0115086497    macrophylla 
0.0006057665
macroptera.3              Shorea   3.0  0.0083571394     macroptera 
0.0004631552
oleosa.fallax.3           Shorea   3.0  0.0087806875  oleosa.fallax 
0.0006363115
ovalis.3                  Shorea   3.0  0.0048820034         ovalis 
0.0014104024
parvifolia.3              Shorea   3.0  0.0078921667     parvifolia 
0.0004507610
parvistipulata.3          Shorea   3.0  0.0148271032 parvistipulata 
0.0005077023
superba.3                 Shorea   3.0  0.0085652932        superba 
0.0010371722
argentifolia.18           Shorea  18.0  0.0132702301   argentifolia 
0.0016208120
beccariana.18             Shorea  18.0  0.0109954252     beccariana 
0.0006496374
faguetiana.18             Shorea  18.0  0.0049321550     faguetiana 
0.0008261597
gibbosa.18                Shorea  18.0  0.0188341938        gibbosa 
0.0008460866
guiso.18                  Shorea  18.0  0.0065560144          guiso 
0.0013176760
johorensis.18             Shorea  18.0  0.0057575280     johorensis 
0.0014724596
leprosula.18              Shorea  18.0  0.0156544894      leprosula 
0.0006584250
macrophylla.18            Shorea  18.0  0.0111129238    macrophylla 
0.0004117240
macroptera.18             Shorea  18.0  0.0097310849     macroptera 
0.0003881022
oleosa.fallax.18          Shorea  18.0  0.0089809752  oleosa.fallax 
0.0003670370
ovalis.18                 Shorea  18.0  0.0062264658         ovalis 
0.0009884059
parvifolia.18             Shorea  18.0  0.0078973351     parvifolia 
0.0011538826
parvistipulata.18         Shorea  18.0  0.0159302434 parvistipulata 
0.0004134491
superba.18                Shorea  18.0  0.0097285994        superba 
0.0007884945
-- 
========================================
Mr Christopher D. Philipson,
PhD Student,
University of Zürich,
Institute for Environmental Sciences,
Winterthurstrasse 190
CH - 8057 Zürich
 
Tel: +41 44 635 6129
Fax: +41 44 635 5711

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Received on Fri Aug 12 02:30:41 2005

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