Re: [R] Fwd: Rgraphviz installation problem

2012-06-03 Thread slipkid90515
Martin -- I know this is about a year late, but I have to thank you for
taking the time to answer Ram's question in this thread.  It helped me get
Rgraphviz up and running.  I've been struggling with this for about 90
minutes, so thank you so much!  

And to anyone else who may run upon this thread with the same issues, I
found this link helpful: 
https://wiki.duke.edu/display/DUKER/Install+RGraphviz+under+Windows

Thanks,
Jess

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[R] Plotting with Rgraphviz

2012-06-03 Thread slipkid90515
Hi All,

After a lengthy battle just to get the package installed, I am not able to
actually use Rgraphviz to generate any plots.  I tried just using the sample
code in the documentation
(http://www2.warwick.ac.uk/fac/sci/moac/people/students/peter_cock/r/rgraphviz/)
and I get the following:

*  library(Rgraphviz)
 test.matrix-matrix(rep(c(0,1,0,0), 9), ncol=6, nrow=6)
 rownames(test.matrix)-c(a, b, c, d, e, f)
 colnames(test.matrix)-c(a, b, c, d, e, f)
 test.matrix
  a b c d e f
a 0 0 0 0 0 0
b 1 0 1 0 1 0
c 0 0 0 0 0 0
d 0 1 0 1 0 1
e 0 0 0 0 0 0
f 1 0 1 0 1 0
 am.graph-new(graphAM, adjMat=test.matrix, edgemode=directed)
 am.graph
A graphAM graph with directed edges
Number of Nodes = 6 
Number of Edges = 9 
 plot(am.graph, attrs = list(node = list(fillcolor = lightblue),
+ edge = list(arrowsize=0.5)))
There were 18 warnings (use warnings() to see them)
 warnings()
Warning messages:
1: In plot.xy(xy.coords(x, y), type = type, ...) :
  len is not a graphical parameter
2: In plot.xy(xy.coords(x, y), type = type, ...) :
  edgemode is not a graphical parameter
3: In plot.xy(xy.coords(x, y), type = type, ...) :
  len is not a graphical parameter
4: In plot.xy(xy.coords(x, y), type = type, ...) :
  edgemode is not a graphical parameter
5: In plot.xy(xy.coords(x, y), type = type, ...) :
  len is not a graphical parameter
6: In plot.xy(xy.coords(x, y), type = type, ...) :
  edgemode is not a graphical parameter
7: In plot.xy(xy.coords(x, y), type = type, ...) :
  len is not a graphical parameter
8: In plot.xy(xy.coords(x, y), type = type, ...) :
  edgemode is not a graphical parameter
9: In plot.xy(xy.coords(x, y), type = type, ...) :
  len is not a graphical parameter
10: In plot.xy(xy.coords(x, y), type = type, ...) :
  edgemode is not a graphical parameter
11: In plot.xy(xy.coords(x, y), type = type, ...) :
  len is not a graphical parameter
12: In plot.xy(xy.coords(x, y), type = type, ...) :
  edgemode is not a graphical parameter
13: In plot.xy(xy.coords(x, y), type = type, ...) :
  len is not a graphical parameter
14: In plot.xy(xy.coords(x, y), type = type, ...) :
  edgemode is not a graphical parameter
15: In plot.xy(xy.coords(x, y), type = type, ...) :
  len is not a graphical parameter
16: In plot.xy(xy.coords(x, y), type = type, ...) :
  edgemode is not a graphical parameter
17: In plot.xy(xy.coords(x, y), type = type, ...) :
  len is not a graphical parameter
18: In plot.xy(xy.coords(x, y), type = type, ...) :
  edgemode is not a graphical parameter*


Anyone with the same problem?  Any ideas on how to fix?

Thanks,
Jess

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[R] Forecast Package for 2.15.0

2012-05-01 Thread slipkid90515
Anyone else having problems installing this package?  Any ideas for fixing?

Thanks,
Jess

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Re: [R] Forecast Package for 2.15.0

2012-05-01 Thread slipkid90515
After poking around a little bit, I was able to install the package using the
Install packages from local zip(s) files command from the Packages menu. 
I had to go grab the zip file from
http://cran.stat.sfu.ca/bin/windows/contrib/2.15/; because it looked like R
was going to a nonexistent URL when I just used the install.packages command
in the console.

I had to do the same thing for the tseries package, so could that suggest
that it's a problem with R?  Is it pointing to the wrong places?

In any case, problem solved :)

Thanks,
Jess 

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Re: [R] HoltWinters() fitted values

2012-04-27 Thread slipkid90515
Yeah, I was pretty sure that it needed one period to begin estimating, but it
just seemed odd to me that the plot function was able to interpolate all the
way back to the beginning (well, nearly the beginning), but the fitted
values only began after the first period.

Thanks for your response!
Jess

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[R] HoltWinters() fitted values

2012-04-26 Thread slipkid90515
Hi everyone,

I'm using the HoltWinters() function to do a time series analysis.  The
function only returns the back fitted values ($fitted) after the first year
of data, which is my case, is a little more than half.  However, when I use
the plot() function, it plots the back fit for almost the entire data set.

Any ideas on how to extract the fitted values going all the way back to the
start of the data set?

Thanks,
Jess

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