Line of Best Fit to a subsection of data

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C Meek
C Meek 2012-1-18
Hi there,
Say I have a graph of data ranging ranging over x-axis values of 0 to 2. It is easy to put a line of best fit into this data by using tools>basic fitting. What I would like to know is if it is possible to plot a line of best fit from 0 to 1, while still retaining the data from 1 to 2?
Thanks in advance for any help.

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回答（1 个）

Sven Schoeberichts
Sven Schoeberichts 2012-1-18
Check the function polyfit with order = 1 for a best-fit straight line. Make sure the data range to use polyfit with is your data from 0:1

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