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
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