Hi, I'm now to R and hope (actually, I'm quite sure) you can help me. I made an experiment and measured two values. As I know the errors of these values I want to use them with the linear regression, eg Value A 1.1+-0.02 1.9+-0.05 3.05+-0.03 4.0+-0.01 5.1+-0.06 Value B 4.2+-0.14 5.3+-0.05 6.8+-0.11 7.9+-0.01 8.5+-0.02 lm(B~A) does the linear regression but how can I use the fact that 1.1 is between 1.12 and 1.08? How can I put error bars for A and B in the plot (like Excel is capable of)? I hope I made myself understandable, thanks Sebastian
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