# [ncl-talk] Calculating multiple regression

Buzan, Jonathan jbuzan at purdue.edu
Wed Mar 2 06:18:57 MST 2022

```Hi Barry,

I think you want to use:
https://www.ncl.ucar.edu/Document/Functions/Contributed/reg_multlin_stats.shtml

If you look at example 1, it shows those stats.
e.g.

model :       Yest = b(0) + b(1)*X1 + b(2)*X2 + ...+b(M)*XM

bstd : (  0, 0.5029772, 0.4922954 )   ; standardized partial regression coefficients
; [ignore 1st element]

Cheers,
-Jonathan

On Mar 2, 2022, at 14:10, Barry Lynn via ncl-talk <ncl-talk at mailman.ucar.edu<mailto:ncl-talk at mailman.ucar.edu>> wrote:

Hello:

I have one dependent variable and two independent variables (temperature and water content).  I have the values in a table for these two independent variables, which correspond to a value of the dependent variable (which is charging).

I have an equation that describes this relationship, but I believe there is an error.

It is of the form: q = -A Ta  + B Ta Q^2 + C Ta + D Ta^2 Q^3...

I thought to use: https://www.ncl.ucar.edu/Document/Functions/Built-in/reg_multlin.shtml

but it doesn't seem to give me the coefficients and the equation for charging as a function of both Ta and Q.

Am I mistaken?  Is there another program I should use?

Thank you,

Barry

--

Barry H. Lynn, Ph.D
Senior Scientist, Lecturer,
The Institute of Earth Sciences,
The Hebrew University of Jerusalem,
Givat Ram, Jerusalem 91904, Israel
Tel: 972 547 231 170
Fax: (972)-25662581

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