Displaying 3 results from an estimated 3 matches for "xwk".
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awk
2004 Aug 26
0
multiple regression with dummy variables
Hi I'm a beginner in R, please help...
I'm trying to do regression analysis on a categorical
data to find b's of each Xi. Essentially, f(x) is the
output, and two independent variables Xd (days of week
(1,2,...,7) and Xwk (week of month
(1,2,...,6)including partial wks).
So the data looks like this:
f(x) Xd Xwk
0.03 1 2
0.06 3 1
:
:
I use factor() and contrasts() to produce I.matrix as
such
2 3 4 5 6 7
1 0 0 0 0 0 0
2 1 0 0 0 0 0
3 0 1 0 0 0 0
4 0 0 1 0 0 0
5 0 0 0 1 0 0
6 0 0 0 0 1 0
7 0 0 0 0 0 1
2...
2004 Aug 27
1
selecting unique columns of a matrix/data frame
...e: text/plain; charset=us-ascii
>
> Hi I'm a beginner in R, please help...
>
> I'm trying to do regression analysis on a categorical
> data to find b's of each Xi. Essentially, f(x) is the
> output, and two independent variables Xd (days of week
> (1,2,...,7) and Xwk (week of month
> (1,2,...,6)including partial wks).
>
> So the data looks like this:
> f(x) Xd Xwk
> 0.03 1 2
> 0.06 3 1
> :
> :
>
> I use factor() and contrasts() to produce I.matrix as
> such
> 2 3 4 5 6 7
> 1 0 0 0 0 0 0
> 2 1 0 0 0 0 0
>...
2009 Jul 23
1
[PATCH server] changes required for fedora rawhide inclusion.
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