[R] tapply result into plotting

[조미점]

Dear Helper:

I did program "tapply", then get the results.
But I'm in trouble with the next step on which I want to make the plot using the results of "tapply".

Say, programming tapply(X, INDICES, Function), get the results with INDICES and values calculating Function of X.
Here, I like to plot(INDICES, values calculating Function of X).
Could you let me know how to do it?
Thank you so much.

MIJEOM JOE, Ph.D. 
Advisory Engineer, IT Infrastructure Team
Information Technology R & D Center
SAMSUNG SDS CO., LTD.

TEL: 82-31-785-4527 
FAXL: 82-31-785-4452
CELL: 82-11-9556-6808
E-mail: mijeom.joe at samsung.com
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