Dear all
I tried to use regression to predicted mu data, but it has error like this:
> IWJR.complete
             x         y
 [1,] 33.17635 2.4705021
 [2,] 81.61225 3.3815620
 [3,] 65.47392 1.6518975
 [4,] 57.97806 1.6110785
 [5,] 76.05528 2.1601246
 [6,] 41.36090 1.5498132
 [7,] 68.77844 2.8078691
 [8,] 55.57040 2.1183063
 [9,] 41.29287 1.8015709
[10,] 65.43935 2.3483183
[11,] 22.44821 2.6010397
[12,] 44.45819 1.5806874
[13,] 35.95592 3.1190134
[14,] 67.51238 2.0328512
[15,] 27.31641 1.7261528
[16,] 37.01328 2.4907096
[17,] 36.14256 2.6417338
[18,] 55.04061 2.3596178
> predict(lm(x~y),IWJR.complete)
Error in eval(expr, envir, enclos) : object 'x' not found
>

I'm trying to find answers to solve my problem, but I cann't found  what I
want to solve the problem.
What do I have to do to solve this problem.
Thank you very much.
Jumlong
-- 
Jumlong Vongprasert
Institute of Research and Development
Ubon Ratchathani Rajabhat University
Ubon Ratchathani
THAILAND
34000

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