Hi
[EMAIL PROTECTED] napsal dne 28.01.2008 17:16:37:
> Hi, all
>
> I've written some R script to calculate the linear regression of a
matrix.
> Here below is my script:
>
> >x<-matrix(scan("h:/data/xxx.dat",0),nrow=46,ncol=561,byrow=TRUE)
>
> >year <- NULL
> >year <- cbind(year,as.matrix(x[,1]))
>
> >lm.sol<-lm(x~year)
> >xtrend<-coef(lm.sol)[2,] # get the matrix of regression coefficient
>
> >t.test<- ? # also want to get a similar matrix of
t-
> test value for the regression coefficient
>
> >class(summary(lm.sol))
> > "listof"
> >class(summary(lm.sol))
> >"listof" # the t-test values are in the obj
> "summary(lm.sol)", but how to get them out
> as a matrix similar as the
above"xtrend"?
>
str is your friend. Try,
str(summary(lm.sol))
and you will find a structure of summary object.
>From it it is quite easy to find that
summary(lm.sol)$coef
gives you a table with t.test values.
Regards
Petr
> Anyone can help me? Thanks !
>
>
>
>
>
> Regards
>
>
> Leo
>
>
> 2008-01-28
>
>
>
> leo_aries
>
> [[alternative HTML version deleted]]
>
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