[R] Problem on plotting TS using GGPLOT

[ONKELINX, Thierry]

You are mixing data from two datasets with different lengths. Your x
variable has 51 elements, while the y variable has 306 elements? What
did you expect to happen with that? 

Use only one dataset within a geom(). Otherwise you are likely the get
in troubles.

HTH,

Thierry 


------------------------------------------------------------------------
----
ir. Thierry Onkelinx
Instituut voor natuur- en bosonderzoek / Research Institute for Nature
and Forest
Cel biometrie, methodologie en kwaliteitszorg / Section biometrics,
methodology and quality assurance
Gaverstraat 4
9500 Geraardsbergen
Belgium
tel. + 32 54/436 185
Thierry.Onkelinx at 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-bounces at r-project.org [mailto:r-help-bounces at r-project.org]
Namens bogaso.christofer
Verzonden: vrijdag 25 september 2009 14:47
Aan: R-help at stat.math.ethz.ch
Onderwerp: [R] Problem on plotting TS using GGPLOT

Hi, I have following codes :





library(zoo); library(ggplot2); library(plyr)





dat <- rnorm(306); vv <- letters[1:6]; dat1 <- data.frame(dat, vv)

dat2 = zooreg(rnorm(51), as.yearmon(as.Date("2000-01-01")),
frequency=12)



ggplot(dat1) +

            geom_line(aes(y=dat, x=index(dat2), colour=vv), group=vv,
size =
1.3)





However I got error while plotting them :

Error in data.frame(x = c(2000, 2000.08333333333, 2000.16666666667,
2000.25,
: 

  arguments imply differing number of rows: 51, 306



I could not find why that error is coming. Any idea please ?



Thanks,


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