corrupted smoothing kernel ?

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I am trying to use the "kernel" function. To understand how it works I tried out some of the examples. 
None of them works as shown in the following:

 kernel("daniell", 50)  # 
Error in kernel("daniell", 50) : unused argument(s) (50)
.... which works for me. Have you loaded some specific package? Which R 
versioj is this? Your OS? Self-compiled R or some pre-compiled binary?

Uwe Ligges
 kernel("daniell", 10)  # 
Error in kernel("daniell", 10) : unused argument(s) (10)
kernel("daniell", c(3,3))
Error in kernel("daniell", c(3, 3)) : unused argument(s) (c(3, 3))
kernel("fejer", 100, r=6)
Error in kernel("fejer", 100, r = 6) : unused argument(s) (100, r = 6)
kernel("daniell", c(11,7,3) )
Error in kernel("daniell", c(11, 7, 3)) : 
  unused argument(s) (c(11, 7, 3))

My goal is to detrend a time series affected by non-linear trend. I do not have clear ideas about the
difference betweeen "detrending" and "smoothing". I would appreciate some suggestions and/or literature references 
by  people experienced about detrending and smoothing.
I was told the there are two best methods about detrending: polynomial fit on a sliding window and kernel smoothing.
I keep being confused . I got the book by Hardle. Maybe you can advice some other clarifying literature (possibly with 
examples).
Thank you very much.
Maura 

tutti i telefonini TIM!

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I have just installed R2.9.0 on my Windows XP system.
I have followed the same installation procedure I have been using  
for over a year. That is installation
from the "exe" file.
"kernel" belongs to package "stats"which is (I think) installed by  
default.
I loaded it but did not use the command:
library(stats)
Now I did and it works fine for me too.
I am sorry. I though such a command is only necessary when a  
package is installed.
I think you are missing the point.  The stats package is (or should  
be) loaded automatically
when you start R.  There is (should be) no need to do library(stats).

To make sure your installation is working correctly in this regard:

	* start R
	* _without_ doing ``library(stats)'' type ``search()''
	* you should see ``package:stats'' in the search path which is listed

The point that Uwe was making was that you probably had some *other*  
package loaded,
said package containing a density() function (with only one  
argument?) which masked
the density() function in the stats package.

	cheers,

		Rolf Turner

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