least square method

Hello....

what is the mfile coding for least square method to compare the two data is fit or not, or to know the percentage fit between two data? the data is in microsoft excel.

Hope you can help me... thanks...

Answer 1

[Titus Edelhofer]

Hi Tiara,

"fit" may be next to everything. If it is a linear fit, just use polyfit, same of course for polynomial fit. Everything else you will need to give us some more information ...

Titus

[tiara]

thanks for your responds...

I have two data that will need to compare between these two data.

It just in array data... not in polynomial..

How can I compare these two data by writing coding in mfile?

What is the coding?

[Sargondjani]

you have to tell us how you want to compare them... i mean, it could be every thing: difference in mean, variance, linear regression coefficients, average squared differences...