R help - Apr 2010 - help

Hello,

Could you help me to find the function which gives a vector that indicate
the element in a vector A that are not in  a vector B.

Best Regards

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On Apr 23, 2010, at 1:30 PM, anderson nuel wrote:
> Hello,
>
> Could you help me to find the function which gives a vector that  
> indicate
> the element in a vector A that are not in  a vector B.
>
?"%in%"

... and look at the examples
> Best Regards
>
> 	[[alternative HTML version deleted]]
>
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David Winsemius, MD
West Hartford, CT

Dear Sir or Madam:        Hi,sorry for disturbing you. Currently, I'm a
master student, and my lecturer didn't teach us anything about how to use R.
But the assignment is all about R. So even a very stupid error,I still can't
tell. So please forgive my innocence.
The following is the requirement of my assignment
you will read in the data> > uscpi <-
read.table("C:/Users/APOLLO/Desktop/ECC4660/A2/uscpi.csv",header=T,sep=",")>
> # Now compute a variable called ss, short for subscript, which you> #
can use to index your variables, which will be useful for differencing> >
ss <- length(uscpi$year)> > # Compute what Julie Smith would refer to
as the "1 year-ahead consumer> # price index" as simply the log of
the price ratio between now and next> # year's observation> > inf
<- log(uscpi$usdcpi2000[2:ss]/uscpi$usdcpi2000[1:(ss-1)])> > # You can
take a look at the data with the following code> >
plot(uscpi$year[2:ss],inf,type="b",ylim=c(0,0.15))error in
xy.coords(x, y, xlabel, ylabel, log) :   'x' and 'y' lengths
differ

Could you please tell me what's wrong with it? I have attached my data in
this assignment.
Thank you very much 
Best regards 		 	   		  
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