Fitting data in gnuplot with xyerrorbars


 
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# 8  
Old 10-01-2010
There is 8 columns in the data.


Posted from my Samsung Galaxy S mobile.
# 9  
Old 10-01-2010
Quote:
Originally Posted by Neo
There is 8 columns in the data.


Posted from my Samsung Galaxy S mobile.

But I am specifying which columns to use:

f(x)= (a*x)+b

fit f(x) "data.txt" using 3:6:4:5:7:8 via a,b

plot "data.txt" using 3:6:4:5:7:8 with xyerrorbars "data", f(x) title "fit line"
 
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