Dear Petr,
You need to use aes_string() instead of aes().
The.cols <- colnames(data)[n:m]
for (i in The.cols) { p<-ggplot(data, aes_string(x="x", y= i, colour="f"))),
...}
Best regards,
ir. Thierry Onkelinx
Instituut voor natuur- en bosonderzoek / Research Institute for Nature and
Forest
team Biometrie & Kwaliteitszorg / team Biometrics & Quality Assurance
Kliniekstraat 25
1070 Anderlecht
Belgium
+ 32 2 525 02 51
+ 32 54 43 61 85
thierry.onkel...@inbo.be
www.inbo.be
To call in the statistician after the experiment is done may be no more than
asking him to perform a post-mortem examination: he may be able to say what the
experiment died of.
~ Sir Ronald Aylmer Fisher
The plural of anecdote is not data.
~ Roger Brinner
The combination of some data and an aching desire for an answer does not ensure
that a reasonable answer can be extracted from a given body of data.
~ John Tukey
-----Oorspronkelijk bericht-----
Van: R-help [mailto:r-help-boun...@r-project.org] Namens PIKAL Petr
Verzonden: woensdag 26 november 2014 14:40
Aan: R help
Onderwerp: [R] ggplot facet and subsetting
Dear all
I encountered strange behaviour of ggplot with combination of facet and
subsetting. I use for creating plots sometimes a for cycle, something like this
for (i in n:m) { p<-ggplot(data, aes(x=x, y=data[,i], colour=f))), ...}
However I found strange result with this combination
This is OK but only in BW
p<-ggplot(vec.c, aes(x=fi, y=nad1mi))
p+geom_point(size=5)+geom_line()+facet_grid(.~stroj)
this is OK with colour
p<-ggplot(vec.c, aes(x=fi, y=nad1mi, colour=as.factor(cas)))
p+geom_point(size=5)+geom_line()+facet_grid(.~stroj)
Here results in facets are mismatched
p<-ggplot(vec.c, aes(x=fi, y=vec.c[,2], colour=as.factor(cas)))
p+geom_point(size=5)+geom_line()+facet_grid(.~stroj)
and this is mismatched too
p<-ggplot(vec.c, aes(x=fi, y=vec.c[,2]))
p+geom_point(size=5)+geom_line()+facet_grid(.~stroj)
Doeas anybody know what I am doing wrong?
> dput(vec.c)
structure(list(cas = c(1L, 2L, 1L, 2L, 1L, 2L, 1L, 2L, 1L, 2L, 0L, 1L, 2L, 0L,
1L, 2L, 0L, 1L, 2L, 0L, 1L, 2L, 0L, 1L, 2L, 0L, 1L, 2L, 0L, 1L, 2L, 1L, 2L, 1L,
2L, 1L, 2L, 1L, 2L, 1L, 2L),
nad1mi = c(3, 2.7, 0.3, 0.5, 1.9, 5.3, 0.4, 3, 5.4, 0.7,
20.6, 16.7, 16.6, 20.7, 16.1, 15.2, 20.5, 16.4, 14.8, 24.6,
19.3, 15.2, 26.9, 21.3, 20.6, 22.6, 16.3, 15.7, 19.3, 16.5,
15.5, 3.6, 3.4, 5.9, 4.6, 5.4, 4.2, 5.3, 5.6, 5.1, 5), stroj =
structure(c(3L,
3L, 3L, 3L, 3L, 3L, 3L, 3L, 3L, 3L, 1L, 1L, 1L, 1L, 1L, 1L,
1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L,
2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L), .Label = c("mastersizer",
"odstredivka", "zetasizer"), class = "factor"), fi = c(341L,
341L, 285L, 285L, 401L, 401L, 231L, 231L, 190L, 190L, 341L,
341L, 341L, 285L, 285L, 285L, 401L, 401L, 401L, 231L, 231L,
231L, 190L, 190L, 190L, 167L, 167L, 167L, 161L, 161L, 161L,
341L, 341L, 285L, 285L, 401L, 401L, 231L, 231L, 190L, 190L
)), .Names = c("cas", "nad1mi", "stroj", "fi"), class = "data.frame",
row.names = c(1L, 2L, 6L, 7L, 11L, 12L, 16L, 17L, 21L, 22L, 26L, 27L, 28L, 32L,
33L, 34L, 38L, 39L, 40L, 44L, 45L, 46L, 50L, 51L, 52L, 56L, 57L, 58L, 62L, 63L,
64L, 68L, 69L, 73L, 74L, 78L, 79L, 83L, 84L, 88L,
89L))
>
Regards
Petr
> sessionInfo(package = NULL)
R Under development (unstable) (2014-07-16 r66175)
Platform: i386-w64-mingw32/i386 (32-bit)
locale:
[1] LC_COLLATE=Czech_Czech Republic.1250 LC_CTYPE=Czech_Czech Republic.1250
[3] LC_MONETARY=Czech_Czech Republic.1250 LC_NUMERIC=C [5] LC_TIME=Czech_Czech
Republic.1250
attached base packages:
[1] stats datasets utils grDevices graphics methods base
other attached packages:
[1] ggplot2_1.0.0 lattice_0.20-29 fun_1.0
loaded via a namespace (and not attached):
[1] colorspace_1.2-4 digest_0.6.4 grid_3.2.0 gtable_0.1.2
[5] labeling_0.2 MASS_7.3-33 munsell_0.4.2 plyr_1.8.1
[9] proto_0.3-10 Rcpp_0.11.2 reshape2_1.4 scales_0.2.4
[13] stringr_0.6.2 tools_3.2.0
>
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