[R] Question about plotting related to roll-up

[Gabor Grothendieck]

boxplot(Response_time ~ seconds, data = my.data.frame)



Coburn Watson <cpwww <at> comcast.net> writes:

: 
: Hello R'ers,
: 
: I have a large set of data which has many y samples for each unit x.  The 
data 
: might look like:
: 
: Seconds	Response_time
: ----------    ----------------
: 0			0.150
: 0			0.202
: 0			0.065
: 1			0.110
: 1			0.280
: 2			0.230
: 2			0.156
: 3			0.070
: 3			0.185
: 3			0.255
: 3			0.311
: 3			0.120
: 4			
: .... and so on
: 
: When I do a basic plot with type=l or the default of points it obviously 
plots 
: every point.  What I would like to do is generate a line plot where the 
: samples for each second are rolled up, averged and plotted with a bar which 
: represents either std dev or some other aspect of variance.  Can someone 
: recommend a plotting mechanism to achieve this?  I have adding lines using 
: some of the smoothing functions but seem unable to remove the original plot 
: line which is drawn (is there a way to just plot the data as feed through 
the 
: smoothing function without the original data?).
: 
: Please remove "_nospam" from the email address to reply directly to me.
: 
: Thanks,
: 
: Coburn Watson
: Software Performance Engineering
: DST Innovis
: 
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