# [R] polynomial regression

Bert Gunter bgunter@4567 @end|ng |rom gm@||@com
Fri Feb 21 18:10:48 CET 2020

```Oh ... and don't cross post.

Bert Gunter

"The trouble with having an open mind is that people keep coming along and
sticking things into it."
-- Opus (aka Berkeley Breathed in his "Bloom County" comic strip )

On Fri, Feb 21, 2020 at 9:08 AM Bert Gunter <bgunter.4567 using gmail.com> wrote:

> This looks like homework. This list has a *no homework* policy.
>
> There are extensive R tutorials on the web (and even the Intro to R
> shipped with the distro). Study them before asking us to do your work for
> you. See the posting guide linked below for what is expected of posters
> here.
>
>
> Bert Gunter
>
> "The trouble with having an open mind is that people keep coming along and
> sticking things into it."
> -- Opus (aka Berkeley Breathed in his "Bloom County" comic strip )
>
>
> On Fri, Feb 21, 2020 at 8:51 AM Subhashini Rao Beerisetty <
> subhashbeerisetty using gmail.com> wrote:
>
>> [ Please keep me in CC as I'm not subscribed to the list]
>>
>> Hi all,
>>
>> I’m new to R programming.
>>
>> Can someone help me , how to plot the “y” for the following equations in
>> “R”?
>>
>> 𝑦= 𝑒−5(𝑥−0.3)2+0.5 𝑒−100(𝑥−0.5)2+0.5 𝑒−100(𝑥−0.75)2
>>
>> 𝑦=28−𝑥+10𝑥4−5𝑥9+6𝑥11
>>
>> Also, I want to extract 50 random points from the function and add
>> normally distributed noise to the data points to get “noisy data”,
>> 𝑦̂.  How to achieve this?
>>
>> Is there a function to fit polynomial of degree 5 to the noisy data?
>>
>>
>> Thanks,
>>
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