[R] (no subject)

[Aimin Yan]

How to use "contour" function?
I type "contour(th1,th2,SumofSquares,levels=c(seq(1000,4000,200)))"

But I didn't see contour in the plot, I guess it is because my data is so 
big that contour is out of range.
Does anybody know how to fix this problem?


here th1 is a 1x101 array(158741.8-298529.6)
th2 is another 1X101 array(-0.0058352269-0.2093140935)

SumofSquares is a 101X101 matrix
here is 1st row of this matrix:
SumofSquares[1,]
   [1] 58276823733 45108959063 36097139203 29640961600 24852628699 
21205691351 18370693380 16132073683 14343415033
  [10] 12902043760 11733956375 10784525542 
10012575486  9386493133  8881608427  8478388277  8161165261  7917225781
  [19]  7736144795  7609292848  7529465556  7490601474  7487564677 
7515975345  7572076406  7652627560  7754820315
  [28]  7876209323  8014656457  8168284935  8335441457  8514664731 
8704659189  8904272893  9112478876  9328359317
  [37]  9551092042  9779938969 10014236185 10253385367 10496846372 
10744130780 10994796282 11248441758 11504702968
  [46] 11763248764 12023777744 12286015297 12549710985 12814636220 
13080582187 13347358003 13614789066 13882715573
  [55] 14150991196 14419481894 14688064834 14956627427 15225066452 
15493287270 15761203103 16028734388 16295808187
  [64] 16562357650 16828321525 17093643719 17358272883 17622162049 
17885268285 18147552386 18408978592 18669514322
  [73] 18929129935 19187798513 19445495656 19702199292 19957889512 
20212548406 20466159917 20718709708 20970185038
  [82] 21220574642 21469868628 21718058379 21965136456 22211096520 
22455933247 22699642261 22942220059 23183663956
  [91] 23423972019 23663143017 23901176371 24138072104 24373830797 
24608453551 24841941947 25074298011 25305524181
[100] 25535623276 25764598466



thanks,
Aimin Yan