Created
May 11, 2012 19:57
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Code for pretty error clouds
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| xdat <- seq(0,10,.1) | |
| ydat <- sin(xdat) | |
| ndat <- length(xdat) | |
| err <- rnorm(ndat,1,0.25) | |
| err_hi <- ydat + err | |
| err_lo <- ydat - err | |
| plot(ydat~xdat, type="n", ylim=c(min(err_lo),max(err_hi))) | |
| # add the error polygon | |
| # it draws around the shape, so one half must be read backwards | |
| polygon(c(xdat[1:ndat],xdat[ndat:1]), c(err_hi[1:ndat],err_lo[ndat:1]), col="gray66",border=NA) | |
| lines(ydat~xdat) |
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