XtransX to the minus one X transpose Y
X trans X
to the minus one
X
transpose Y
I said X
trans X to the minus one
X
transpose Y
you know
that beta hat
is
calculated like that
they call
it OLS
when you
want to regress
it's a
fitting tool
that will
give to you
the
lowest RSS
yes
that's the OLS
X trans X
to the minus one
X
transpose Y
I said X
trans X to the minus one
X
transpose Y
you know
that beta hat
is
calculated like that
Ordinary
but rather neat
For ease
of use it just can't be beat
A simple
formula
and the
calculation's complete
And you
will find it BLUE
when all
the assumptions are true
X trans X
to the minus one
X
transpose Y
I said X
trans X to the minus one
X
transpose Y
you know
that beta hat
is
calculated like that
they call
it OLS
when you
want to regress
it's a
fitting tool
that will
give to you
the
lowest RSS
yes
that's the OLS
2 Comments:
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