Message-ID: <511DC695.4050503@ymail.com>
Date: 2013-02-15T05:24:37Z
From: Pascal Oettli
Subject: lm regression query
In-Reply-To: <CAJMZ3ccFf2j6pOGZih0SNNDgMom5jW0oNAn=UXjnJXBTZTVPGw@mail.gmail.com>
Hi,
Did you read the help file? Particularly the section "Details".
?lm
Regards,
Pascal
Le 15/02/2013 08:55, email a ?crit :
> Hello:
>
> I have a 4-column dataset: Crime, Education, Urbanization, Age. I want to
> construct a multiple linear regression to find the effect of Education,
> Urbanization, and Age on Crime"
>
> lm(Crime ~ Education + Urbanization + Age)
>
> If I use + in above statement, does it mean it will build a model to find
> the relationship between Crime and Education when Urbanization and Age are
> held constant?
>
> What would be the difference if I drop the term Urbanization + Age ?
>
> lm(Crime ~ Education)
>
> Regards:
> John
>
> [[alternative HTML version deleted]]
>
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