Re: Polyfit with three variable

On Sun, Dec 20, 2020 at 8:16 AM swagata Mukherjee <[email protected]>
wrote:

> Hi,
> The files are attached.
>
> Regards,
> Swagata
>
> On Sun, Dec 20, 2020 at 5:57 PM Doug Stewart <[email protected]>
> wrote:
>
>>
>>
>> On Sun, Dec 20, 2020 at 7:13 AM swagata Mukherjee <
>> [email protected]> wrote:
>>
>>> Hi,
>>> I need help with linear regression with three variables.
>>>
>>> I was running the following code:
>>>    N_Liner=1;
>>>     P_Liner=polyfit(G,Temp,I_PV,N_Liner)
>>>
>>> getting the following error "error: polyfit: N must be a non-negative
>>> integer".
>>>
>>> Is there any way out?
>>>
>>> Regards,
>>> Swagata
>>>
>>> Show us what these values are.
>> G
>> Temp
>> I_PV
>> N_Liner
>>
>> --
>> DAS[image: Certificate for 206392]
>>
>> <https://linuxcounter.net/user/206392.html>
>>
> If you look at the help for polyfit:
help polyfit

You will see that your inputs to polyfit are wrong.
 you should give it the x and y values and the deg. of polynomial that you
want.


-- 
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