[email protected] wrote on 08/19/2011 01:50:48 PM:
> [image removed]
>
> [R] display only the top-right half of a correlation matrix?
>
> Liviu Andronic
>
> to:
>
> [email protected] Help
>
> 08/19/2011 01:55 PM
>
> Sent by:
>
> [email protected]
>
> Dear all
> Is there an easy way to display only one half (top-right or
> bottom-left) of a correlation matrix?
See ?lower.tri
>
> > require(Hmisc)
> > rcorr(as.matrix(mtcars[ , 1:4]))
> mpg cyl disp hp
> mpg 1.00 -0.85 -0.85 -0.78
> cyl -0.85 1.00 0.90 0.83
> disp -0.85 0.90 1.00 0.79
> hp -0.78 0.83 0.79 1.00
>
> n= 32
>
>
> P
> mpg cyl disp hp
> mpg 0 0 0
> cyl 0 0 0
> disp 0 0 0
> hp 0 0 0
>
>
> Since the two sides are identical, there is little value in having
> both displayed at the same time. Moreover, it considerably slows down
> the inspection of the results.
>
> Thank you
> Liviu
>
Jean
`·.,, ><(((º> `·.,, ><(((º> `·.,, ><(((º>
Jean V. Adams
Statistician
U.S. Geological Survey
Great Lakes Science Center
223 East Steinfest Road
Antigo, WI 54409 USA
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