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10Â¥: Originally posted by lulinsmann at 2012-11-30 19:13:29
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11Â¥2012-11-30 20:28:10
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12Â¥2012-11-30 20:40:39
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12Â¥: Originally posted by lulinsmann at 2012-11-30 20:40:39
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13Â¥2012-11-30 20:47:54
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13Â¥: Originally posted by ÒÅÍüµÄɳ© at 2012-11-30 20:47:54
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14Â¥2012-11-30 20:59:41
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13Â¥: Originally posted by ÒÅÍüµÄɳ© at 2012-11-30 20:47:54
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Sorry for English, I cannot use Chinese in the lab.
I believe I finally get it. In one word, the Standard Error of A1 should be large, it is completetly normal in your case. This is due to the definiation of Standard Error: SE=SD/¡Ì(sample size). In your case, the SD of A1 is huge.
Here is a webpage which explain what's the difference between Standard Deviation and Standard Error:
http://www.bmj.com/content/331/7521/903
Then you might can understand.
By the way, I roughly fit your curve again and got the large SE of A1 too.
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15Â¥2012-11-30 22:41:37
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15Â¥: Originally posted by lulinsmann at 2012-11-30 22:41:37
Sorry for English, I cannot use Chinese in the lab.
I believe I finally get it. In one word, the Standard Error of A1 should be large, it is completetly normal in your case. This is due to the defi ...

Once again, I don't think it is necessary to show the standard error of all fit paramters. What you have to show is how does the fit curve match your data curve, which can be seen clearly by your figure. Then give the lifetime. Even the equation is not necessary because it is kind of commen knowledge. Unless, you use bi-exp equation or even more complecated one.
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16Â¥2012-11-30 22:51:35
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